Home / 38,766.20-53,426.86-30,263.90

Finding the Fourth Proportional to 38,766.20, 53,426.86 and 30,263.90

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Solution

The fourth proportional to 38,766.20, 53,426.86 and 30,263.90 is: 41,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766.20 : 53,426.86 = 30,263.90 : x
  2. Step 2: Convert to fraction form
    38,766.20/53,426.86 = 30,263.90/x
  3. Step 3: Cross multiply
    38,766.20x = 53,426.86 × 30,263.90
  4. Step 4: Simplify right side
    38,766.20x = 1,616,904,805.56
  5. Step 5: Solve for x
    x = 1,616,904,805.56/38,766.20
  6. Step 6: Final answer
    x = 41,709.14

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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.