Home / 56,049.05-77,346.54-30,898.55

Finding the Fourth Proportional to 56,049.05, 77,346.54 and 30,898.55

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Solution

The fourth proportional to 56,049.05, 77,346.54 and 30,898.55 is: 42,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049.05 : 77,346.54 = 30,898.55 : x
  2. Step 2: Convert to fraction form
    56,049.05/77,346.54 = 30,898.55/x
  3. Step 3: Cross multiply
    56,049.05x = 77,346.54 × 30,898.55
  4. Step 4: Simplify right side
    56,049.05x = 2,389,895,546.78
  5. Step 5: Solve for x
    x = 2,389,895,546.78/56,049.05
  6. Step 6: Final answer
    x = 42,639.36

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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.