Home / 54,487.30-75,192.54-30,613.96

Finding the Fourth Proportional to 54,487.30, 75,192.54 and 30,613.96

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Solution

The fourth proportional to 54,487.30, 75,192.54 and 30,613.96 is: 42,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,487.30 : 75,192.54 = 30,613.96 : x
  2. Step 2: Convert to fraction form
    54,487.30/75,192.54 = 30,613.96/x
  3. Step 3: Cross multiply
    54,487.30x = 75,192.54 × 30,613.96
  4. Step 4: Simplify right side
    54,487.30x = 2,301,941,411.86
  5. Step 5: Solve for x
    x = 2,301,941,411.86/54,487.30
  6. Step 6: Final answer
    x = 42,247.30

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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.