Home / 71,463.90-98,613.72-39,632.70

Finding the Fourth Proportional to 71,463.90, 98,613.72 and 39,632.70

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Solution

The fourth proportional to 71,463.90, 98,613.72 and 39,632.70 is: 54,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,463.90 : 98,613.72 = 39,632.70 : x
  2. Step 2: Convert to fraction form
    71,463.90/98,613.72 = 39,632.70/x
  3. Step 3: Cross multiply
    71,463.90x = 98,613.72 × 39,632.70
  4. Step 4: Simplify right side
    71,463.90x = 3,908,327,980.64
  5. Step 5: Solve for x
    x = 3,908,327,980.64/71,463.90
  6. Step 6: Final answer
    x = 54,689.54

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1.5x scale

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.