Home / 52,311.67-78,454.52-20,710.89

Finding the Fourth Proportional to 52,311.67, 78,454.52 and 20,710.89

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Solution

The fourth proportional to 52,311.67, 78,454.52 and 20,710.89 is: 31,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.67 : 78,454.52 = 20,710.89 : x
  2. Step 2: Convert to fraction form
    52,311.67/78,454.52 = 20,710.89/x
  3. Step 3: Cross multiply
    52,311.67x = 78,454.52 × 20,710.89
  4. Step 4: Simplify right side
    52,311.67x = 1,624,863,024.33
  5. Step 5: Solve for x
    x = 1,624,863,024.33/52,311.67
  6. Step 6: Final answer
    x = 31,061.19

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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.