Home / 51,780.60-71,381.16-36,626.58

Finding the Fourth Proportional to 51,780.60, 71,381.16 and 36,626.58

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Solution

The fourth proportional to 51,780.60, 71,381.16 and 36,626.58 is: 50,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780.60 : 71,381.16 = 36,626.58 : x
  2. Step 2: Convert to fraction form
    51,780.60/71,381.16 = 36,626.58/x
  3. Step 3: Cross multiply
    51,780.60x = 71,381.16 × 36,626.58
  4. Step 4: Simplify right side
    51,780.60x = 2,614,447,767.23
  5. Step 5: Solve for x
    x = 2,614,447,767.23/51,780.60
  6. Step 6: Final answer
    x = 50,490.87

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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.