Home / 52,295.04-78,498.72-21,150.72

Finding the Fourth Proportional to 52,295.04, 78,498.72 and 21,150.72

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Solution

The fourth proportional to 52,295.04, 78,498.72 and 21,150.72 is: 31,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,295.04 : 78,498.72 = 21,150.72 : x
  2. Step 2: Convert to fraction form
    52,295.04/78,498.72 = 21,150.72/x
  3. Step 3: Cross multiply
    52,295.04x = 78,498.72 × 21,150.72
  4. Step 4: Simplify right side
    52,295.04x = 1,660,304,447.08
  5. Step 5: Solve for x
    x = 1,660,304,447.08/52,295.04
  6. Step 6: Final answer
    x = 31,748.79

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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.