Home / 56,472.76-77,941.74-31,330.36

Finding the Fourth Proportional to 56,472.76, 77,941.74 and 31,330.36

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Solution

The fourth proportional to 56,472.76, 77,941.74 and 31,330.36 is: 43,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,472.76 : 77,941.74 = 31,330.36 : x
  2. Step 2: Convert to fraction form
    56,472.76/77,941.74 = 31,330.36/x
  3. Step 3: Cross multiply
    56,472.76x = 77,941.74 × 31,330.36
  4. Step 4: Simplify right side
    56,472.76x = 2,441,942,773.23
  5. Step 5: Solve for x
    x = 2,441,942,773.23/56,472.76
  6. Step 6: Final answer
    x = 43,241.07

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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.