Home / 55,543.11-76,649.40-30,049.39

Finding the Fourth Proportional to 55,543.11, 76,649.40 and 30,049.39

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Solution

The fourth proportional to 55,543.11, 76,649.40 and 30,049.39 is: 41,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.11 : 76,649.40 = 30,049.39 : x
  2. Step 2: Convert to fraction form
    55,543.11/76,649.40 = 30,049.39/x
  3. Step 3: Cross multiply
    55,543.11x = 76,649.40 × 30,049.39
  4. Step 4: Simplify right side
    55,543.11x = 2,303,267,330.62
  5. Step 5: Solve for x
    x = 2,303,267,330.62/55,543.11
  6. Step 6: Final answer
    x = 41,468.10

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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.