Home / 37,787.31-52,151.58-21,661.02

Finding the Fourth Proportional to 37,787.31, 52,151.58 and 21,661.02

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Solution

The fourth proportional to 37,787.31, 52,151.58 and 21,661.02 is: 29,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,787.31 : 52,151.58 = 21,661.02 : x
  2. Step 2: Convert to fraction form
    37,787.31/52,151.58 = 21,661.02/x
  3. Step 3: Cross multiply
    37,787.31x = 52,151.58 × 21,661.02
  4. Step 4: Simplify right side
    37,787.31x = 1,129,656,417.41
  5. Step 5: Solve for x
    x = 1,129,656,417.41/37,787.31
  6. Step 6: Final answer
    x = 29,895.13

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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.