Home / 43,141.10-64,748.10-16,864.70

Finding the Fourth Proportional to 43,141.10, 64,748.10 and 16,864.70

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Solution

The fourth proportional to 43,141.10, 64,748.10 and 16,864.70 is: 25,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,141.10 : 64,748.10 = 16,864.70 : x
  2. Step 2: Convert to fraction form
    43,141.10/64,748.10 = 16,864.70/x
  3. Step 3: Cross multiply
    43,141.10x = 64,748.10 × 16,864.70
  4. Step 4: Simplify right side
    43,141.10x = 1,091,957,282.07
  5. Step 5: Solve for x
    x = 1,091,957,282.07/43,141.10
  6. Step 6: Final answer
    x = 25,311.30

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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.