Home / 48,002.64-72,012.60-21,719.76

Finding the Fourth Proportional to 48,002.64, 72,012.60 and 21,719.76

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Solution

The fourth proportional to 48,002.64, 72,012.60 and 21,719.76 is: 32,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,002.64 : 72,012.60 = 21,719.76 : x
  2. Step 2: Convert to fraction form
    48,002.64/72,012.60 = 21,719.76/x
  3. Step 3: Cross multiply
    48,002.64x = 72,012.60 × 21,719.76
  4. Step 4: Simplify right side
    48,002.64x = 1,564,096,388.98
  5. Step 5: Solve for x
    x = 1,564,096,388.98/48,002.64
  6. Step 6: Final answer
    x = 32,583.55

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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.