Home / 32,115.69-44,315.96-18,505.72

Finding the Fourth Proportional to 32,115.69, 44,315.96 and 18,505.72

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Solution

The fourth proportional to 32,115.69, 44,315.96 and 18,505.72 is: 25,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,115.69 : 44,315.96 = 18,505.72 : x
  2. Step 2: Convert to fraction form
    32,115.69/44,315.96 = 18,505.72/x
  3. Step 3: Cross multiply
    32,115.69x = 44,315.96 × 18,505.72
  4. Step 4: Simplify right side
    32,115.69x = 820,098,590.24
  5. Step 5: Solve for x
    x = 820,098,590.24/32,115.69
  6. Step 6: Final answer
    x = 25,535.76

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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.