Home / 56,358.42-77,776.97-31,207.92

Finding the Fourth Proportional to 56,358.42, 77,776.97 and 31,207.92

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Solution

The fourth proportional to 56,358.42, 77,776.97 and 31,207.92 is: 43,068.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.42 : 77,776.97 = 31,207.92 : x
  2. Step 2: Convert to fraction form
    56,358.42/77,776.97 = 31,207.92/x
  3. Step 3: Cross multiply
    56,358.42x = 77,776.97 × 31,207.92
  4. Step 4: Simplify right side
    56,358.42x = 2,427,257,301.56
  5. Step 5: Solve for x
    x = 2,427,257,301.56/56,358.42
  6. Step 6: Final answer
    x = 43,068.23

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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.