Home / 61,729.86-85,186.58-34,872.33

Finding the Fourth Proportional to 61,729.86, 85,186.58 and 34,872.33

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Solution

The fourth proportional to 61,729.86, 85,186.58 and 34,872.33 is: 48,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,729.86 : 85,186.58 = 34,872.33 : x
  2. Step 2: Convert to fraction form
    61,729.86/85,186.58 = 34,872.33/x
  3. Step 3: Cross multiply
    61,729.86x = 85,186.58 × 34,872.33
  4. Step 4: Simplify right side
    61,729.86x = 2,970,654,354.97
  5. Step 5: Solve for x
    x = 2,970,654,354.97/61,729.86
  6. Step 6: Final answer
    x = 48,123.46

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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.