Home / 56,055.27-77,352.39-31,529.76

Finding the Fourth Proportional to 56,055.27, 77,352.39 and 31,529.76

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Solution

The fourth proportional to 56,055.27, 77,352.39 and 31,529.76 is: 43,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,055.27 : 77,352.39 = 31,529.76 : x
  2. Step 2: Convert to fraction form
    56,055.27/77,352.39 = 31,529.76/x
  3. Step 3: Cross multiply
    56,055.27x = 77,352.39 × 31,529.76
  4. Step 4: Simplify right side
    56,055.27x = 2,438,902,292.13
  5. Step 5: Solve for x
    x = 2,438,902,292.13/56,055.27
  6. Step 6: Final answer
    x = 43,508.88

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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.