Home / 55,001.52-82,391.58-38,154.12

Finding the Fourth Proportional to 55,001.52, 82,391.58 and 38,154.12

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Solution

The fourth proportional to 55,001.52, 82,391.58 and 38,154.12 is: 57,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,001.52 : 82,391.58 = 38,154.12 : x
  2. Step 2: Convert to fraction form
    55,001.52/82,391.58 = 38,154.12/x
  3. Step 3: Cross multiply
    55,001.52x = 82,391.58 × 38,154.12
  4. Step 4: Simplify right side
    55,001.52x = 3,143,578,230.31
  5. Step 5: Solve for x
    x = 3,143,578,230.31/55,001.52
  6. Step 6: Final answer
    x = 57,154.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.