Home / 39,679.38-59,544.99-18,904.50

Finding the Fourth Proportional to 39,679.38, 59,544.99 and 18,904.50

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Solution

The fourth proportional to 39,679.38, 59,544.99 and 18,904.50 is: 28,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.38 : 59,544.99 = 18,904.50 : x
  2. Step 2: Convert to fraction form
    39,679.38/59,544.99 = 18,904.50/x
  3. Step 3: Cross multiply
    39,679.38x = 59,544.99 × 18,904.50
  4. Step 4: Simplify right side
    39,679.38x = 1,125,668,263.46
  5. Step 5: Solve for x
    x = 1,125,668,263.46/39,679.38
  6. Step 6: Final answer
    x = 28,369.10

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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.