Home / 23,432.60-35,311.91-21,212.11

Finding the Fourth Proportional to 23,432.60, 35,311.91 and 21,212.11

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Solution

The fourth proportional to 23,432.60, 35,311.91 and 21,212.11 is: 31,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,432.60 : 35,311.91 = 21,212.11 : x
  2. Step 2: Convert to fraction form
    23,432.60/35,311.91 = 21,212.11/x
  3. Step 3: Cross multiply
    23,432.60x = 35,311.91 × 21,212.11
  4. Step 4: Simplify right side
    23,432.60x = 749,039,836.61
  5. Step 5: Solve for x
    x = 749,039,836.61/23,432.60
  6. Step 6: Final answer
    x = 31,965.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.