Home / 55,787.13-83,680.70-14,234.13

Finding the Fourth Proportional to 55,787.13, 83,680.70 and 14,234.13

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Solution

The fourth proportional to 55,787.13, 83,680.70 and 14,234.13 is: 21,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,787.13 : 83,680.70 = 14,234.13 : x
  2. Step 2: Convert to fraction form
    55,787.13/83,680.70 = 14,234.13/x
  3. Step 3: Cross multiply
    55,787.13x = 83,680.70 × 14,234.13
  4. Step 4: Simplify right side
    55,787.13x = 1,191,121,962.29
  5. Step 5: Solve for x
    x = 1,191,121,962.29/55,787.13
  6. Step 6: Final answer
    x = 21,351.20

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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.