Home / 54,663.49-75,409.84-31,988.58

Finding the Fourth Proportional to 54,663.49, 75,409.84 and 31,988.58

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Solution

The fourth proportional to 54,663.49, 75,409.84 and 31,988.58 is: 44,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,663.49 : 75,409.84 = 31,988.58 : x
  2. Step 2: Convert to fraction form
    54,663.49/75,409.84 = 31,988.58/x
  3. Step 3: Cross multiply
    54,663.49x = 75,409.84 × 31,988.58
  4. Step 4: Simplify right side
    54,663.49x = 2,412,253,276.89
  5. Step 5: Solve for x
    x = 2,412,253,276.89/54,663.49
  6. Step 6: Final answer
    x = 44,129.15

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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.