Home / 52,091.40-71,886.10-28,218.04

Finding the Fourth Proportional to 52,091.40, 71,886.10 and 28,218.04

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Solution

The fourth proportional to 52,091.40, 71,886.10 and 28,218.04 is: 38,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.40 : 71,886.10 = 28,218.04 : x
  2. Step 2: Convert to fraction form
    52,091.40/71,886.10 = 28,218.04/x
  3. Step 3: Cross multiply
    52,091.40x = 71,886.10 × 28,218.04
  4. Step 4: Simplify right side
    52,091.40x = 2,028,484,845.24
  5. Step 5: Solve for x
    x = 2,028,484,845.24/52,091.40
  6. Step 6: Final answer
    x = 38,940.88

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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.