Home / 40,478.99-55,861.72-22,572.07

Finding the Fourth Proportional to 40,478.99, 55,861.72 and 22,572.07

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Solution

The fourth proportional to 40,478.99, 55,861.72 and 22,572.07 is: 31,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.99 : 55,861.72 = 22,572.07 : x
  2. Step 2: Convert to fraction form
    40,478.99/55,861.72 = 22,572.07/x
  3. Step 3: Cross multiply
    40,478.99x = 55,861.72 × 22,572.07
  4. Step 4: Simplify right side
    40,478.99x = 1,260,914,458.08
  5. Step 5: Solve for x
    x = 1,260,914,458.08/40,478.99
  6. Step 6: Final answer
    x = 31,149.85

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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.