Home / 40,670.90-61,011.92-12,593.26

Finding the Fourth Proportional to 40,670.90, 61,011.92 and 12,593.26

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Solution

The fourth proportional to 40,670.90, 61,011.92 and 12,593.26 is: 18,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,670.90 : 61,011.92 = 12,593.26 : x
  2. Step 2: Convert to fraction form
    40,670.90/61,011.92 = 12,593.26/x
  3. Step 3: Cross multiply
    40,670.90x = 61,011.92 × 12,593.26
  4. Step 4: Simplify right side
    40,670.90x = 768,338,971.66
  5. Step 5: Solve for x
    x = 768,338,971.66/40,670.90
  6. Step 6: Final answer
    x = 18,891.61

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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.