Home / 70,590.57-97,387.20-40,359.66

Finding the Fourth Proportional to 70,590.57, 97,387.20 and 40,359.66

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Solution

The fourth proportional to 70,590.57, 97,387.20 and 40,359.66 is: 55,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,590.57 : 97,387.20 = 40,359.66 : x
  2. Step 2: Convert to fraction form
    70,590.57/97,387.20 = 40,359.66/x
  3. Step 3: Cross multiply
    70,590.57x = 97,387.20 × 40,359.66
  4. Step 4: Simplify right side
    70,590.57x = 3,930,514,280.35
  5. Step 5: Solve for x
    x = 3,930,514,280.35/70,590.57
  6. Step 6: Final answer
    x = 55,680.44

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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.