Home / 48,212.20-72,221.10-27,411.40

Finding the Fourth Proportional to 48,212.20, 72,221.10 and 27,411.40

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Solution

The fourth proportional to 48,212.20, 72,221.10 and 27,411.40 is: 41,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,212.20 : 72,221.10 = 27,411.40 : x
  2. Step 2: Convert to fraction form
    48,212.20/72,221.10 = 27,411.40/x
  3. Step 3: Cross multiply
    48,212.20x = 72,221.10 × 27,411.40
  4. Step 4: Simplify right side
    48,212.20x = 1,979,681,460.54
  5. Step 5: Solve for x
    x = 1,979,681,460.54/48,212.20
  6. Step 6: Final answer
    x = 41,061.84

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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.