Home / 48,146.13-72,236.29-21,489.69

Finding the Fourth Proportional to 48,146.13, 72,236.29 and 21,489.69

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Solution

The fourth proportional to 48,146.13, 72,236.29 and 21,489.69 is: 32,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,146.13 : 72,236.29 = 21,489.69 : x
  2. Step 2: Convert to fraction form
    48,146.13/72,236.29 = 21,489.69/x
  3. Step 3: Cross multiply
    48,146.13x = 72,236.29 × 21,489.69
  4. Step 4: Simplify right side
    48,146.13x = 1,552,335,478.85
  5. Step 5: Solve for x
    x = 1,552,335,478.85/48,146.13
  6. Step 6: Final answer
    x = 32,242.17

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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.