Home / 38,382.04-52,972.26-21,618.28

Finding the Fourth Proportional to 38,382.04, 52,972.26 and 21,618.28

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Solution

The fourth proportional to 38,382.04, 52,972.26 and 21,618.28 is: 29,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.04 : 52,972.26 = 21,618.28 : x
  2. Step 2: Convert to fraction form
    38,382.04/52,972.26 = 21,618.28/x
  3. Step 3: Cross multiply
    38,382.04x = 52,972.26 × 21,618.28
  4. Step 4: Simplify right side
    38,382.04x = 1,145,169,148.91
  5. Step 5: Solve for x
    x = 1,145,169,148.91/38,382.04
  6. Step 6: Final answer
    x = 29,836.07

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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.