Home / 52,252.11-72,107.37-28,378.71

Finding the Fourth Proportional to 52,252.11, 72,107.37 and 28,378.71

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Solution

The fourth proportional to 52,252.11, 72,107.37 and 28,378.71 is: 39,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,252.11 : 72,107.37 = 28,378.71 : x
  2. Step 2: Convert to fraction form
    52,252.11/72,107.37 = 28,378.71/x
  3. Step 3: Cross multiply
    52,252.11x = 72,107.37 × 28,378.71
  4. Step 4: Simplify right side
    52,252.11x = 2,046,314,142.09
  5. Step 5: Solve for x
    x = 2,046,314,142.09/52,252.11
  6. Step 6: Final answer
    x = 39,162.33

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Double scale
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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.