Home / 48,221.29-72,336.71-20,150.12

Finding the Fourth Proportional to 48,221.29, 72,336.71 and 20,150.12

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Solution

The fourth proportional to 48,221.29, 72,336.71 and 20,150.12 is: 30,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,221.29 : 72,336.71 = 20,150.12 : x
  2. Step 2: Convert to fraction form
    48,221.29/72,336.71 = 20,150.12/x
  3. Step 3: Cross multiply
    48,221.29x = 72,336.71 × 20,150.12
  4. Step 4: Simplify right side
    48,221.29x = 1,457,593,386.91
  5. Step 5: Solve for x
    x = 1,457,593,386.91/48,221.29
  6. Step 6: Final answer
    x = 30,227.18

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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.