Home / 37,915.96-52,322.76-20,920.24

Finding the Fourth Proportional to 37,915.96, 52,322.76 and 20,920.24

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Solution

The fourth proportional to 37,915.96, 52,322.76 and 20,920.24 is: 28,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,915.96 : 52,322.76 = 20,920.24 : x
  2. Step 2: Convert to fraction form
    37,915.96/52,322.76 = 20,920.24/x
  3. Step 3: Cross multiply
    37,915.96x = 52,322.76 × 20,920.24
  4. Step 4: Simplify right side
    37,915.96x = 1,094,604,696.66
  5. Step 5: Solve for x
    x = 1,094,604,696.66/37,915.96
  6. Step 6: Final answer
    x = 28,869.23

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.