Home / 50,317.40-69,439.68-27,657.20

Finding the Fourth Proportional to 50,317.40, 69,439.68 and 27,657.20

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Solution

The fourth proportional to 50,317.40, 69,439.68 and 27,657.20 is: 38,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,317.40 : 69,439.68 = 27,657.20 : x
  2. Step 2: Convert to fraction form
    50,317.40/69,439.68 = 27,657.20/x
  3. Step 3: Cross multiply
    50,317.40x = 69,439.68 × 27,657.20
  4. Step 4: Simplify right side
    50,317.40x = 1,920,506,900.70
  5. Step 5: Solve for x
    x = 1,920,506,900.70/50,317.40
  6. Step 6: Final answer
    x = 38,167.85

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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.