Home / 38,304.66-57,407.21-21,436.97

Finding the Fourth Proportional to 38,304.66, 57,407.21 and 21,436.97

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Solution

The fourth proportional to 38,304.66, 57,407.21 and 21,436.97 is: 32,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,304.66 : 57,407.21 = 21,436.97 : x
  2. Step 2: Convert to fraction form
    38,304.66/57,407.21 = 21,436.97/x
  3. Step 3: Cross multiply
    38,304.66x = 57,407.21 × 21,436.97
  4. Step 4: Simplify right side
    38,304.66x = 1,230,636,835.66
  5. Step 5: Solve for x
    x = 1,230,636,835.66/38,304.66
  6. Step 6: Final answer
    x = 32,127.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.