Home / 38,341.14-52,909.47-21,570.90

Finding the Fourth Proportional to 38,341.14, 52,909.47 and 21,570.90

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Solution

The fourth proportional to 38,341.14, 52,909.47 and 21,570.90 is: 29,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.14 : 52,909.47 = 21,570.90 : x
  2. Step 2: Convert to fraction form
    38,341.14/52,909.47 = 21,570.90/x
  3. Step 3: Cross multiply
    38,341.14x = 52,909.47 × 21,570.90
  4. Step 4: Simplify right side
    38,341.14x = 1,141,304,886.42
  5. Step 5: Solve for x
    x = 1,141,304,886.42/38,341.14
  6. Step 6: Final answer
    x = 29,767.11

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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.