Home / 52,491.24-78,647.76-31,671

Finding the Fourth Proportional to 52,491.24, 78,647.76 and 31,671

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Solution

The fourth proportional to 52,491.24, 78,647.76 and 31,671 is: 47,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.24 : 78,647.76 = 31,671 : x
  2. Step 2: Convert to fraction form
    52,491.24/78,647.76 = 31,671/x
  3. Step 3: Cross multiply
    52,491.24x = 78,647.76 × 31,671
  4. Step 4: Simplify right side
    52,491.24x = 2,490,853,206.96
  5. Step 5: Solve for x
    x = 2,490,853,206.96/52,491.24
  6. Step 6: Final answer
    x = 47,452.74

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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.