Home / 35,403.57-48,851.20-20,293.45

Finding the Fourth Proportional to 35,403.57, 48,851.20 and 20,293.45

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Solution

The fourth proportional to 35,403.57, 48,851.20 and 20,293.45 is: 28,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.57 : 48,851.20 = 20,293.45 : x
  2. Step 2: Convert to fraction form
    35,403.57/48,851.20 = 20,293.45/x
  3. Step 3: Cross multiply
    35,403.57x = 48,851.20 × 20,293.45
  4. Step 4: Simplify right side
    35,403.57x = 991,359,191.12
  5. Step 5: Solve for x
    x = 991,359,191.12/35,403.57
  6. Step 6: Final answer
    x = 28,001.68

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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.