Home / 35,395.59-48,847.92-20,290.76

Finding the Fourth Proportional to 35,395.59, 48,847.92 and 20,290.76

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Solution

The fourth proportional to 35,395.59, 48,847.92 and 20,290.76 is: 28,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.59 : 48,847.92 = 20,290.76 : x
  2. Step 2: Convert to fraction form
    35,395.59/48,847.92 = 20,290.76/x
  3. Step 3: Cross multiply
    35,395.59x = 48,847.92 × 20,290.76
  4. Step 4: Simplify right side
    35,395.59x = 991,161,176.98
  5. Step 5: Solve for x
    x = 991,161,176.98/35,395.59
  6. Step 6: Final answer
    x = 28,002.39

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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.