Home / 39,426-59,121.18-11,339.61

Finding the Fourth Proportional to 39,426, 59,121.18 and 11,339.61

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Solution

The fourth proportional to 39,426, 59,121.18 and 11,339.61 is: 17,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426 : 59,121.18 = 11,339.61 : x
  2. Step 2: Convert to fraction form
    39,426/59,121.18 = 11,339.61/x
  3. Step 3: Cross multiply
    39,426x = 59,121.18 × 11,339.61
  4. Step 4: Simplify right side
    39,426x = 670,411,123.94
  5. Step 5: Solve for x
    x = 670,411,123.94/39,426
  6. Step 6: Final answer
    x = 17,004.29

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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.