Home / 56,472.17-77,931.62-31,321.67

Finding the Fourth Proportional to 56,472.17, 77,931.62 and 31,321.67

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Solution

The fourth proportional to 56,472.17, 77,931.62 and 31,321.67 is: 43,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,472.17 : 77,931.62 = 31,321.67 : x
  2. Step 2: Convert to fraction form
    56,472.17/77,931.62 = 31,321.67/x
  3. Step 3: Cross multiply
    56,472.17x = 77,931.62 × 31,321.67
  4. Step 4: Simplify right side
    56,472.17x = 2,440,948,484.21
  5. Step 5: Solve for x
    x = 2,440,948,484.21/56,472.17
  6. Step 6: Final answer
    x = 43,223.92

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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.