Home / 52,140.50-71,954.40-28,267.12

Finding the Fourth Proportional to 52,140.50, 71,954.40 and 28,267.12

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Solution

The fourth proportional to 52,140.50, 71,954.40 and 28,267.12 is: 39,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,140.50 : 71,954.40 = 28,267.12 : x
  2. Step 2: Convert to fraction form
    52,140.50/71,954.40 = 28,267.12/x
  3. Step 3: Cross multiply
    52,140.50x = 71,954.40 × 28,267.12
  4. Step 4: Simplify right side
    52,140.50x = 2,033,943,659.33
  5. Step 5: Solve for x
    x = 2,033,943,659.33/52,140.50
  6. Step 6: Final answer
    x = 39,008.90

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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.