Home / 32,012.20-48,016.70-16,431.40

Finding the Fourth Proportional to 32,012.20, 48,016.70 and 16,431.40

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Solution

The fourth proportional to 32,012.20, 48,016.70 and 16,431.40 is: 24,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,012.20 : 48,016.70 = 16,431.40 : x
  2. Step 2: Convert to fraction form
    32,012.20/48,016.70 = 16,431.40/x
  3. Step 3: Cross multiply
    32,012.20x = 48,016.70 × 16,431.40
  4. Step 4: Simplify right side
    32,012.20x = 788,981,604.38
  5. Step 5: Solve for x
    x = 788,981,604.38/32,012.20
  6. Step 6: Final answer
    x = 24,646.28

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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.