Home / 55,543.38-76,649.74-30,392.88

Finding the Fourth Proportional to 55,543.38, 76,649.74 and 30,392.88

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Solution

The fourth proportional to 55,543.38, 76,649.74 and 30,392.88 is: 41,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.38 : 76,649.74 = 30,392.88 : x
  2. Step 2: Convert to fraction form
    55,543.38/76,649.74 = 30,392.88/x
  3. Step 3: Cross multiply
    55,543.38x = 76,649.74 × 30,392.88
  4. Step 4: Simplify right side
    55,543.38x = 2,329,606,273.87
  5. Step 5: Solve for x
    x = 2,329,606,273.87/55,543.38
  6. Step 6: Final answer
    x = 41,942.10

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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.