Home / 56,509.92-77,982.96-31,358.88

Finding the Fourth Proportional to 56,509.92, 77,982.96 and 31,358.88

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Solution

The fourth proportional to 56,509.92, 77,982.96 and 31,358.88 is: 43,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,509.92 : 77,982.96 = 31,358.88 : x
  2. Step 2: Convert to fraction form
    56,509.92/77,982.96 = 31,358.88/x
  3. Step 3: Cross multiply
    56,509.92x = 77,982.96 × 31,358.88
  4. Step 4: Simplify right side
    56,509.92x = 2,445,458,284.68
  5. Step 5: Solve for x
    x = 2,445,458,284.68/56,509.92
  6. Step 6: Final answer
    x = 43,274.85

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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.