Home / 39,578.45-59,368.44-18,506.87

Finding the Fourth Proportional to 39,578.45, 59,368.44 and 18,506.87

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Solution

The fourth proportional to 39,578.45, 59,368.44 and 18,506.87 is: 27,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,578.45 : 59,368.44 = 18,506.87 : x
  2. Step 2: Convert to fraction form
    39,578.45/59,368.44 = 18,506.87/x
  3. Step 3: Cross multiply
    39,578.45x = 59,368.44 × 18,506.87
  4. Step 4: Simplify right side
    39,578.45x = 1,098,724,001.18
  5. Step 5: Solve for x
    x = 1,098,724,001.18/39,578.45
  6. Step 6: Final answer
    x = 27,760.66

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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.