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Finding the Fourth Proportional to 48,239.66, 72,349.76 and 14,951.76

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Solution

The fourth proportional to 48,239.66, 72,349.76 and 14,951.76 is: 22,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,239.66 : 72,349.76 = 14,951.76 : x
  2. Step 2: Convert to fraction form
    48,239.66/72,349.76 = 14,951.76/x
  3. Step 3: Cross multiply
    48,239.66x = 72,349.76 × 14,951.76
  4. Step 4: Simplify right side
    48,239.66x = 1,081,756,247.58
  5. Step 5: Solve for x
    x = 1,081,756,247.58/48,239.66
  6. Step 6: Final answer
    x = 22,424.62

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1.5x scale

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.