Home / 35,470.12-48,948.76-20,363.75

Finding the Fourth Proportional to 35,470.12, 48,948.76 and 20,363.75

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Solution

The fourth proportional to 35,470.12, 48,948.76 and 20,363.75 is: 28,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.12 : 48,948.76 = 20,363.75 : x
  2. Step 2: Convert to fraction form
    35,470.12/48,948.76 = 20,363.75/x
  3. Step 3: Cross multiply
    35,470.12x = 48,948.76 × 20,363.75
  4. Step 4: Simplify right side
    35,470.12x = 996,780,311.45
  5. Step 5: Solve for x
    x = 996,780,311.45/35,470.12
  6. Step 6: Final answer
    x = 28,101.97

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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.