Home / 56,439.42-84,584.85-31,491.21

Finding the Fourth Proportional to 56,439.42, 84,584.85 and 31,491.21

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Solution

The fourth proportional to 56,439.42, 84,584.85 and 31,491.21 is: 47,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,439.42 : 84,584.85 = 31,491.21 : x
  2. Step 2: Convert to fraction form
    56,439.42/84,584.85 = 31,491.21/x
  3. Step 3: Cross multiply
    56,439.42x = 84,584.85 × 31,491.21
  4. Step 4: Simplify right side
    56,439.42x = 2,663,679,274.17
  5. Step 5: Solve for x
    x = 2,663,679,274.17/56,439.42
  6. Step 6: Final answer
    x = 47,195.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.