Home / 39,503.71-54,482.62-28,169.58

Finding the Fourth Proportional to 39,503.71, 54,482.62 and 28,169.58

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Solution

The fourth proportional to 39,503.71, 54,482.62 and 28,169.58 is: 38,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,503.71 : 54,482.62 = 28,169.58 : x
  2. Step 2: Convert to fraction form
    39,503.71/54,482.62 = 28,169.58/x
  3. Step 3: Cross multiply
    39,503.71x = 54,482.62 × 28,169.58
  4. Step 4: Simplify right side
    39,503.71x = 1,534,752,522.70
  5. Step 5: Solve for x
    x = 1,534,752,522.70/39,503.71
  6. Step 6: Final answer
    x = 38,850.85

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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.