Home / 43,685.11-65,521.32-21,492.55

Finding the Fourth Proportional to 43,685.11, 65,521.32 and 21,492.55

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Solution

The fourth proportional to 43,685.11, 65,521.32 and 21,492.55 is: 32,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,685.11 : 65,521.32 = 21,492.55 : x
  2. Step 2: Convert to fraction form
    43,685.11/65,521.32 = 21,492.55/x
  3. Step 3: Cross multiply
    43,685.11x = 65,521.32 × 21,492.55
  4. Step 4: Simplify right side
    43,685.11x = 1,408,220,246.17
  5. Step 5: Solve for x
    x = 1,408,220,246.17/43,685.11
  6. Step 6: Final answer
    x = 32,235.70

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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.