Home / 37,787.31-56,688.26-21,166.11

Finding the Fourth Proportional to 37,787.31, 56,688.26 and 21,166.11

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Solution

The fourth proportional to 37,787.31, 56,688.26 and 21,166.11 is: 31,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,787.31 : 56,688.26 = 21,166.11 : x
  2. Step 2: Convert to fraction form
    37,787.31/56,688.26 = 21,166.11/x
  3. Step 3: Cross multiply
    37,787.31x = 56,688.26 × 21,166.11
  4. Step 4: Simplify right side
    37,787.31x = 1,199,869,841.04
  5. Step 5: Solve for x
    x = 1,199,869,841.04/37,787.31
  6. Step 6: Final answer
    x = 31,753.25

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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.