Home / 48,488.40-72,730.20-15,211.68

Finding the Fourth Proportional to 48,488.40, 72,730.20 and 15,211.68

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Solution

The fourth proportional to 48,488.40, 72,730.20 and 15,211.68 is: 22,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,488.40 : 72,730.20 = 15,211.68 : x
  2. Step 2: Convert to fraction form
    48,488.40/72,730.20 = 15,211.68/x
  3. Step 3: Cross multiply
    48,488.40x = 72,730.20 × 15,211.68
  4. Step 4: Simplify right side
    48,488.40x = 1,106,348,528.74
  5. Step 5: Solve for x
    x = 1,106,348,528.74/48,488.40
  6. Step 6: Final answer
    x = 22,816.77

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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.