Home / 32,020.68-47,998.20-13,311.57

Finding the Fourth Proportional to 32,020.68, 47,998.20 and 13,311.57

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Solution

The fourth proportional to 32,020.68, 47,998.20 and 13,311.57 is: 19,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,020.68 : 47,998.20 = 13,311.57 : x
  2. Step 2: Convert to fraction form
    32,020.68/47,998.20 = 13,311.57/x
  3. Step 3: Cross multiply
    32,020.68x = 47,998.20 × 13,311.57
  4. Step 4: Simplify right side
    32,020.68x = 638,931,279.18
  5. Step 5: Solve for x
    x = 638,931,279.18/32,020.68
  6. Step 6: Final answer
    x = 19,953.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.