Home / 35,445.26-48,921.52-20,348.12

Finding the Fourth Proportional to 35,445.26, 48,921.52 and 20,348.12

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Solution

The fourth proportional to 35,445.26, 48,921.52 and 20,348.12 is: 28,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.26 : 48,921.52 = 20,348.12 : x
  2. Step 2: Convert to fraction form
    35,445.26/48,921.52 = 20,348.12/x
  3. Step 3: Cross multiply
    35,445.26x = 48,921.52 × 20,348.12
  4. Step 4: Simplify right side
    35,445.26x = 995,460,959.54
  5. Step 5: Solve for x
    x = 995,460,959.54/35,445.26
  6. Step 6: Final answer
    x = 28,084.46

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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.