Home / 38,335.59-52,901.78-21,339.27

Finding the Fourth Proportional to 38,335.59, 52,901.78 and 21,339.27

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Solution

The fourth proportional to 38,335.59, 52,901.78 and 21,339.27 is: 29,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.59 : 52,901.78 = 21,339.27 : x
  2. Step 2: Convert to fraction form
    38,335.59/52,901.78 = 21,339.27/x
  3. Step 3: Cross multiply
    38,335.59x = 52,901.78 × 21,339.27
  4. Step 4: Simplify right side
    38,335.59x = 1,128,885,260.20
  5. Step 5: Solve for x
    x = 1,128,885,260.20/38,335.59
  6. Step 6: Final answer
    x = 29,447.45

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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.