Home / 38,335.31-52,902.35-21,339.28

Finding the Fourth Proportional to 38,335.31, 52,902.35 and 21,339.28

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Solution

The fourth proportional to 38,335.31, 52,902.35 and 21,339.28 is: 29,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.31 : 52,902.35 = 21,339.28 : x
  2. Step 2: Convert to fraction form
    38,335.31/52,902.35 = 21,339.28/x
  3. Step 3: Cross multiply
    38,335.31x = 52,902.35 × 21,339.28
  4. Step 4: Simplify right side
    38,335.31x = 1,128,898,098.76
  5. Step 5: Solve for x
    x = 1,128,898,098.76/38,335.31
  6. Step 6: Final answer
    x = 29,448.00

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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.