Home / 56,471.67-77,930.93-31,321.17

Finding the Fourth Proportional to 56,471.67, 77,930.93 and 31,321.17

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Solution

The fourth proportional to 56,471.67, 77,930.93 and 31,321.17 is: 43,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.67 : 77,930.93 = 31,321.17 : x
  2. Step 2: Convert to fraction form
    56,471.67/77,930.93 = 31,321.17/x
  3. Step 3: Cross multiply
    56,471.67x = 77,930.93 × 31,321.17
  4. Step 4: Simplify right side
    56,471.67x = 2,440,887,867.64
  5. Step 5: Solve for x
    x = 2,440,887,867.64/56,471.67
  6. Step 6: Final answer
    x = 43,223.23

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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.