Home / 38,925.62-53,714.31-21,929.12

Finding the Fourth Proportional to 38,925.62, 53,714.31 and 21,929.12

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Solution

The fourth proportional to 38,925.62, 53,714.31 and 21,929.12 is: 30,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,925.62 : 53,714.31 = 21,929.12 : x
  2. Step 2: Convert to fraction form
    38,925.62/53,714.31 = 21,929.12/x
  3. Step 3: Cross multiply
    38,925.62x = 53,714.31 × 21,929.12
  4. Step 4: Simplify right side
    38,925.62x = 1,177,907,549.71
  5. Step 5: Solve for x
    x = 1,177,907,549.71/38,925.62
  6. Step 6: Final answer
    x = 30,260.47

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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.