Home / 39,638.23-59,429.10-18,566.71

Finding the Fourth Proportional to 39,638.23, 59,429.10 and 18,566.71

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Solution

The fourth proportional to 39,638.23, 59,429.10 and 18,566.71 is: 27,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.23 : 59,429.10 = 18,566.71 : x
  2. Step 2: Convert to fraction form
    39,638.23/59,429.10 = 18,566.71/x
  3. Step 3: Cross multiply
    39,638.23x = 59,429.10 × 18,566.71
  4. Step 4: Simplify right side
    39,638.23x = 1,103,402,865.26
  5. Step 5: Solve for x
    x = 1,103,402,865.26/39,638.23
  6. Step 6: Final answer
    x = 27,836.83

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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.