Home / 39,581.46-59,372.94-18,509.88

Finding the Fourth Proportional to 39,581.46, 59,372.94 and 18,509.88

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Solution

The fourth proportional to 39,581.46, 59,372.94 and 18,509.88 is: 27,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,581.46 : 59,372.94 = 18,509.88 : x
  2. Step 2: Convert to fraction form
    39,581.46/59,372.94 = 18,509.88/x
  3. Step 3: Cross multiply
    39,581.46x = 59,372.94 × 18,509.88
  4. Step 4: Simplify right side
    39,581.46x = 1,098,985,994.65
  5. Step 5: Solve for x
    x = 1,098,985,994.65/39,581.46
  6. Step 6: Final answer
    x = 27,765.17

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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.