Home / 35,458.29-48,934.35-20,350.82

Finding the Fourth Proportional to 35,458.29, 48,934.35 and 20,350.82

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Solution

The fourth proportional to 35,458.29, 48,934.35 and 20,350.82 is: 28,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.29 : 48,934.35 = 20,350.82 : x
  2. Step 2: Convert to fraction form
    35,458.29/48,934.35 = 20,350.82/x
  3. Step 3: Cross multiply
    35,458.29x = 48,934.35 × 20,350.82
  4. Step 4: Simplify right side
    35,458.29x = 995,853,904.00
  5. Step 5: Solve for x
    x = 995,853,904.00/35,458.29
  6. Step 6: Final answer
    x = 28,085.22

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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.