Home / 37,047.60-51,126.21-20,915.82

Finding the Fourth Proportional to 37,047.60, 51,126.21 and 20,915.82

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Solution

The fourth proportional to 37,047.60, 51,126.21 and 20,915.82 is: 28,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,047.60 : 51,126.21 = 20,915.82 : x
  2. Step 2: Convert to fraction form
    37,047.60/51,126.21 = 20,915.82/x
  3. Step 3: Cross multiply
    37,047.60x = 51,126.21 × 20,915.82
  4. Step 4: Simplify right side
    37,047.60x = 1,069,346,605.64
  5. Step 5: Solve for x
    x = 1,069,346,605.64/37,047.60
  6. Step 6: Final answer
    x = 28,864.13

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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.