Home / 43,017.12-64,500.55-16,691.11

Finding the Fourth Proportional to 43,017.12, 64,500.55 and 16,691.11

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Solution

The fourth proportional to 43,017.12, 64,500.55 and 16,691.11 is: 25,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,017.12 : 64,500.55 = 16,691.11 : x
  2. Step 2: Convert to fraction form
    43,017.12/64,500.55 = 16,691.11/x
  3. Step 3: Cross multiply
    43,017.12x = 64,500.55 × 16,691.11
  4. Step 4: Simplify right side
    43,017.12x = 1,076,585,775.11
  5. Step 5: Solve for x
    x = 1,076,585,775.11/43,017.12
  6. Step 6: Final answer
    x = 25,026.91

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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.