Home / 42,810.28-64,226.42-17,842.04

Finding the Fourth Proportional to 42,810.28, 64,226.42 and 17,842.04

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Solution

The fourth proportional to 42,810.28, 64,226.42 and 17,842.04 is: 26,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,810.28 : 64,226.42 = 17,842.04 : x
  2. Step 2: Convert to fraction form
    42,810.28/64,226.42 = 17,842.04/x
  3. Step 3: Cross multiply
    42,810.28x = 64,226.42 × 17,842.04
  4. Step 4: Simplify right side
    42,810.28x = 1,145,930,354.70
  5. Step 5: Solve for x
    x = 1,145,930,354.70/42,810.28
  6. Step 6: Final answer
    x = 26,767.64

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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.