Home / 56,011.62-77,292.48-30,861.12

Finding the Fourth Proportional to 56,011.62, 77,292.48 and 30,861.12

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Solution

The fourth proportional to 56,011.62, 77,292.48 and 30,861.12 is: 42,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011.62 : 77,292.48 = 30,861.12 : x
  2. Step 2: Convert to fraction form
    56,011.62/77,292.48 = 30,861.12/x
  3. Step 3: Cross multiply
    56,011.62x = 77,292.48 × 30,861.12
  4. Step 4: Simplify right side
    56,011.62x = 2,385,332,500.38
  5. Step 5: Solve for x
    x = 2,385,332,500.38/56,011.62
  6. Step 6: Final answer
    x = 42,586.39

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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.