Home / 54,613.48-75,369-30,741.68

Finding the Fourth Proportional to 54,613.48, 75,369 and 30,741.68

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Solution

The fourth proportional to 54,613.48, 75,369 and 30,741.68 is: 42,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,613.48 : 75,369 = 30,741.68 : x
  2. Step 2: Convert to fraction form
    54,613.48/75,369 = 30,741.68/x
  3. Step 3: Cross multiply
    54,613.48x = 75,369 × 30,741.68
  4. Step 4: Simplify right side
    54,613.48x = 2,316,969,679.92
  5. Step 5: Solve for x
    x = 2,316,969,679.92/54,613.48
  6. Step 6: Final answer
    x = 42,424.87

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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.