Home / 37,840.61-52,220.05-21,934.29

Finding the Fourth Proportional to 37,840.61, 52,220.05 and 21,934.29

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Solution

The fourth proportional to 37,840.61, 52,220.05 and 21,934.29 is: 30,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,840.61 : 52,220.05 = 21,934.29 : x
  2. Step 2: Convert to fraction form
    37,840.61/52,220.05 = 21,934.29/x
  3. Step 3: Cross multiply
    37,840.61x = 52,220.05 × 21,934.29
  4. Step 4: Simplify right side
    37,840.61x = 1,145,409,720.51
  5. Step 5: Solve for x
    x = 1,145,409,720.51/37,840.61
  6. Step 6: Final answer
    x = 30,269.32

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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.