Home / 35,500.61-48,993.23-20,398.16

Finding the Fourth Proportional to 35,500.61, 48,993.23 and 20,398.16

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Solution

The fourth proportional to 35,500.61, 48,993.23 and 20,398.16 is: 28,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,500.61 : 48,993.23 = 20,398.16 : x
  2. Step 2: Convert to fraction form
    35,500.61/48,993.23 = 20,398.16/x
  3. Step 3: Cross multiply
    35,500.61x = 48,993.23 × 20,398.16
  4. Step 4: Simplify right side
    35,500.61x = 999,371,764.95
  5. Step 5: Solve for x
    x = 999,371,764.95/35,500.61
  6. Step 6: Final answer
    x = 28,150.83

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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.