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Finding the Fourth Proportional to 35,841.80, 49,404.12 and 28,275.32

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Solution

The fourth proportional to 35,841.80, 49,404.12 and 28,275.32 is: 38,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,841.80 : 49,404.12 = 28,275.32 : x
  2. Step 2: Convert to fraction form
    35,841.80/49,404.12 = 28,275.32/x
  3. Step 3: Cross multiply
    35,841.80x = 49,404.12 × 28,275.32
  4. Step 4: Simplify right side
    35,841.80x = 1,396,917,302.32
  5. Step 5: Solve for x
    x = 1,396,917,302.32/35,841.80
  6. Step 6: Final answer
    x = 38,974.53

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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.