Home / 39,367.17-59,058.36-12,720.33

Finding the Fourth Proportional to 39,367.17, 59,058.36 and 12,720.33

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Solution

The fourth proportional to 39,367.17, 59,058.36 and 12,720.33 is: 19,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367.17 : 59,058.36 = 12,720.33 : x
  2. Step 2: Convert to fraction form
    39,367.17/59,058.36 = 12,720.33/x
  3. Step 3: Cross multiply
    39,367.17x = 59,058.36 × 12,720.33
  4. Step 4: Simplify right side
    39,367.17x = 751,241,828.46
  5. Step 5: Solve for x
    x = 751,241,828.46/39,367.17
  6. Step 6: Final answer
    x = 19,082.95

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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.