Home / 61,781.32-85,294.98-40,597.48

Finding the Fourth Proportional to 61,781.32, 85,294.98 and 40,597.48

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Solution

The fourth proportional to 61,781.32, 85,294.98 and 40,597.48 is: 56,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,781.32 : 85,294.98 = 40,597.48 : x
  2. Step 2: Convert to fraction form
    61,781.32/85,294.98 = 40,597.48/x
  3. Step 3: Cross multiply
    61,781.32x = 85,294.98 × 40,597.48
  4. Step 4: Simplify right side
    61,781.32x = 3,462,761,244.65
  5. Step 5: Solve for x
    x = 3,462,761,244.65/61,781.32
  6. Step 6: Final answer
    x = 56,048.68

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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.