Home / 51,248.04-70,722.18-28,891.88

Finding the Fourth Proportional to 51,248.04, 70,722.18 and 28,891.88

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Solution

The fourth proportional to 51,248.04, 70,722.18 and 28,891.88 is: 39,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.04 : 70,722.18 = 28,891.88 : x
  2. Step 2: Convert to fraction form
    51,248.04/70,722.18 = 28,891.88/x
  3. Step 3: Cross multiply
    51,248.04x = 70,722.18 × 28,891.88
  4. Step 4: Simplify right side
    51,248.04x = 2,043,296,737.90
  5. Step 5: Solve for x
    x = 2,043,296,737.90/51,248.04
  6. Step 6: Final answer
    x = 39,870.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.