Home / 34,470.04-51,702.18-13,687.96

Finding the Fourth Proportional to 34,470.04, 51,702.18 and 13,687.96

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Solution

The fourth proportional to 34,470.04, 51,702.18 and 13,687.96 is: 20,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,470.04 : 51,702.18 = 13,687.96 : x
  2. Step 2: Convert to fraction form
    34,470.04/51,702.18 = 13,687.96/x
  3. Step 3: Cross multiply
    34,470.04x = 51,702.18 × 13,687.96
  4. Step 4: Simplify right side
    34,470.04x = 707,697,371.75
  5. Step 5: Solve for x
    x = 707,697,371.75/34,470.04
  6. Step 6: Final answer
    x = 20,530.80

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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.