Home / 56,302.75-84,454.13-21,234.21

Finding the Fourth Proportional to 56,302.75, 84,454.13 and 21,234.21

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Solution

The fourth proportional to 56,302.75, 84,454.13 and 21,234.21 is: 31,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,302.75 : 84,454.13 = 21,234.21 : x
  2. Step 2: Convert to fraction form
    56,302.75/84,454.13 = 21,234.21/x
  3. Step 3: Cross multiply
    56,302.75x = 84,454.13 × 21,234.21
  4. Step 4: Simplify right side
    56,302.75x = 1,793,316,731.79
  5. Step 5: Solve for x
    x = 1,793,316,731.79/56,302.75
  6. Step 6: Final answer
    x = 31,851.32

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Similar ratio
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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.