Home / 34,209.40-51,319.52-14,488.08

Finding the Fourth Proportional to 34,209.40, 51,319.52 and 14,488.08

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Solution

The fourth proportional to 34,209.40, 51,319.52 and 14,488.08 is: 21,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,209.40 : 51,319.52 = 14,488.08 : x
  2. Step 2: Convert to fraction form
    34,209.40/51,319.52 = 14,488.08/x
  3. Step 3: Cross multiply
    34,209.40x = 51,319.52 × 14,488.08
  4. Step 4: Simplify right side
    34,209.40x = 743,521,311.32
  5. Step 5: Solve for x
    x = 743,521,311.32/34,209.40
  6. Step 6: Final answer
    x = 21,734.42

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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.