Home / 35,109.59-48,445.62-20,002.55

Finding the Fourth Proportional to 35,109.59, 48,445.62 and 20,002.55

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Solution

The fourth proportional to 35,109.59, 48,445.62 and 20,002.55 is: 27,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,109.59 : 48,445.62 = 20,002.55 : x
  2. Step 2: Convert to fraction form
    35,109.59/48,445.62 = 20,002.55/x
  3. Step 3: Cross multiply
    35,109.59x = 48,445.62 × 20,002.55
  4. Step 4: Simplify right side
    35,109.59x = 969,035,694.10
  5. Step 5: Solve for x
    x = 969,035,694.10/35,109.59
  6. Step 6: Final answer
    x = 27,600.32

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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.