Home / 55,934.40-77,191.20-30,442.62

Finding the Fourth Proportional to 55,934.40, 77,191.20 and 30,442.62

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Solution

The fourth proportional to 55,934.40, 77,191.20 and 30,442.62 is: 42,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,934.40 : 77,191.20 = 30,442.62 : x
  2. Step 2: Convert to fraction form
    55,934.40/77,191.20 = 30,442.62/x
  3. Step 3: Cross multiply
    55,934.40x = 77,191.20 × 30,442.62
  4. Step 4: Simplify right side
    55,934.40x = 2,349,902,368.94
  5. Step 5: Solve for x
    x = 2,349,902,368.94/55,934.40
  6. Step 6: Final answer
    x = 42,011.76

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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.