Home / 40,478.08-55,857.12-22,572.04

Finding the Fourth Proportional to 40,478.08, 55,857.12 and 22,572.04

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Solution

The fourth proportional to 40,478.08, 55,857.12 and 22,572.04 is: 31,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.08 : 55,857.12 = 22,572.04 : x
  2. Step 2: Convert to fraction form
    40,478.08/55,857.12 = 22,572.04/x
  3. Step 3: Cross multiply
    40,478.08x = 55,857.12 × 22,572.04
  4. Step 4: Simplify right side
    40,478.08x = 1,260,809,146.92
  5. Step 5: Solve for x
    x = 1,260,809,146.92/40,478.08
  6. Step 6: Final answer
    x = 31,147.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.