Home / 55,841.84-77,061.68-30,691.34

Finding the Fourth Proportional to 55,841.84, 77,061.68 and 30,691.34

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Solution

The fourth proportional to 55,841.84, 77,061.68 and 30,691.34 is: 42,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,841.84 : 77,061.68 = 30,691.34 : x
  2. Step 2: Convert to fraction form
    55,841.84/77,061.68 = 30,691.34/x
  3. Step 3: Cross multiply
    55,841.84x = 77,061.68 × 30,691.34
  4. Step 4: Simplify right side
    55,841.84x = 2,365,126,221.85
  5. Step 5: Solve for x
    x = 2,365,126,221.85/55,841.84
  6. Step 6: Final answer
    x = 42,354.02

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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.