Home / 54,416.45-75,098.03-30,543.12

Finding the Fourth Proportional to 54,416.45, 75,098.03 and 30,543.12

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Solution

The fourth proportional to 54,416.45, 75,098.03 and 30,543.12 is: 42,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416.45 : 75,098.03 = 30,543.12 : x
  2. Step 2: Convert to fraction form
    54,416.45/75,098.03 = 30,543.12/x
  3. Step 3: Cross multiply
    54,416.45x = 75,098.03 × 30,543.12
  4. Step 4: Simplify right side
    54,416.45x = 2,293,727,989.34
  5. Step 5: Solve for x
    x = 2,293,727,989.34/54,416.45
  6. Step 6: Final answer
    x = 42,151.38

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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.