Home / 32,375.64-44,685.03-20,430.96

Finding the Fourth Proportional to 32,375.64, 44,685.03 and 20,430.96

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Solution

The fourth proportional to 32,375.64, 44,685.03 and 20,430.96 is: 28,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,375.64 : 44,685.03 = 20,430.96 : x
  2. Step 2: Convert to fraction form
    32,375.64/44,685.03 = 20,430.96/x
  3. Step 3: Cross multiply
    32,375.64x = 44,685.03 × 20,430.96
  4. Step 4: Simplify right side
    32,375.64x = 912,958,060.53
  5. Step 5: Solve for x
    x = 912,958,060.53/32,375.64
  6. Step 6: Final answer
    x = 28,198.92

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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.