Home / 45,130.84-62,169.18-38,394.88

Finding the Fourth Proportional to 45,130.84, 62,169.18 and 38,394.88

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Solution

The fourth proportional to 45,130.84, 62,169.18 and 38,394.88 is: 52,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,130.84 : 62,169.18 = 38,394.88 : x
  2. Step 2: Convert to fraction form
    45,130.84/62,169.18 = 38,394.88/x
  3. Step 3: Cross multiply
    45,130.84x = 62,169.18 × 38,394.88
  4. Step 4: Simplify right side
    45,130.84x = 2,386,978,205.80
  5. Step 5: Solve for x
    x = 2,386,978,205.80/45,130.84
  6. Step 6: Final answer
    x = 52,890.18

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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.