Home / 43,176.30-64,780.65-16,899.90

Finding the Fourth Proportional to 43,176.30, 64,780.65 and 16,899.90

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Solution

The fourth proportional to 43,176.30, 64,780.65 and 16,899.90 is: 25,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,176.30 : 64,780.65 = 16,899.90 : x
  2. Step 2: Convert to fraction form
    43,176.30/64,780.65 = 16,899.90/x
  3. Step 3: Cross multiply
    43,176.30x = 64,780.65 × 16,899.90
  4. Step 4: Simplify right side
    43,176.30x = 1,094,786,506.94
  5. Step 5: Solve for x
    x = 1,094,786,506.94/43,176.30
  6. Step 6: Final answer
    x = 25,356.19

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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.