Home / 39,719.30-59,587.12-11,640.26

Finding the Fourth Proportional to 39,719.30, 59,587.12 and 11,640.26

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Solution

The fourth proportional to 39,719.30, 59,587.12 and 11,640.26 is: 17,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.30 : 59,587.12 = 11,640.26 : x
  2. Step 2: Convert to fraction form
    39,719.30/59,587.12 = 11,640.26/x
  3. Step 3: Cross multiply
    39,719.30x = 59,587.12 × 11,640.26
  4. Step 4: Simplify right side
    39,719.30x = 693,609,569.45
  5. Step 5: Solve for x
    x = 693,609,569.45/39,719.30
  6. Step 6: Final answer
    x = 17,462.78

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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.