Home / 55,841.85-77,061.69-30,691.35

Finding the Fourth Proportional to 55,841.85, 77,061.69 and 30,691.35

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Solution

The fourth proportional to 55,841.85, 77,061.69 and 30,691.35 is: 42,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,841.85 : 77,061.69 = 30,691.35 : x
  2. Step 2: Convert to fraction form
    55,841.85/77,061.69 = 30,691.35/x
  3. Step 3: Cross multiply
    55,841.85x = 77,061.69 × 30,691.35
  4. Step 4: Simplify right side
    55,841.85x = 2,365,127,299.38
  5. Step 5: Solve for x
    x = 2,365,127,299.38/55,841.85
  6. Step 6: Final answer
    x = 42,354.03

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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.