Home / 40,390.53-55,738.87-22,487.10

Finding the Fourth Proportional to 40,390.53, 55,738.87 and 22,487.10

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Solution

The fourth proportional to 40,390.53, 55,738.87 and 22,487.10 is: 31,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.53 : 55,738.87 = 22,487.10 : x
  2. Step 2: Convert to fraction form
    40,390.53/55,738.87 = 22,487.10/x
  3. Step 3: Cross multiply
    40,390.53x = 55,738.87 × 22,487.10
  4. Step 4: Simplify right side
    40,390.53x = 1,253,405,543.58
  5. Step 5: Solve for x
    x = 1,253,405,543.58/40,390.53
  6. Step 6: Final answer
    x = 31,032.16

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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.