Home / 52,091.80-71,886.86-28,218.40

Finding the Fourth Proportional to 52,091.80, 71,886.86 and 28,218.40

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Solution

The fourth proportional to 52,091.80, 71,886.86 and 28,218.40 is: 38,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.80 : 71,886.86 = 28,218.40 : x
  2. Step 2: Convert to fraction form
    52,091.80/71,886.86 = 28,218.40/x
  3. Step 3: Cross multiply
    52,091.80x = 71,886.86 × 28,218.40
  4. Step 4: Simplify right side
    52,091.80x = 2,028,532,170.22
  5. Step 5: Solve for x
    x = 2,028,532,170.22/52,091.80
  6. Step 6: Final answer
    x = 38,941.49

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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.