Home / 56,278.73-84,264.90-39,613.79

Finding the Fourth Proportional to 56,278.73, 84,264.90 and 39,613.79

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Solution

The fourth proportional to 56,278.73, 84,264.90 and 39,613.79 is: 59,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,278.73 : 84,264.90 = 39,613.79 : x
  2. Step 2: Convert to fraction form
    56,278.73/84,264.90 = 39,613.79/x
  3. Step 3: Cross multiply
    56,278.73x = 84,264.90 × 39,613.79
  4. Step 4: Simplify right side
    56,278.73x = 3,338,052,052.97
  5. Step 5: Solve for x
    x = 3,338,052,052.97/56,278.73
  6. Step 6: Final answer
    x = 59,312.85

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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.