Home / 39,517.11-59,263.32-13,215.69

Finding the Fourth Proportional to 39,517.11, 59,263.32 and 13,215.69

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Solution

The fourth proportional to 39,517.11, 59,263.32 and 13,215.69 is: 19,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.11 : 59,263.32 = 13,215.69 : x
  2. Step 2: Convert to fraction form
    39,517.11/59,263.32 = 13,215.69/x
  3. Step 3: Cross multiply
    39,517.11x = 59,263.32 × 13,215.69
  4. Step 4: Simplify right side
    39,517.11x = 783,205,665.49
  5. Step 5: Solve for x
    x = 783,205,665.49/39,517.11
  6. Step 6: Final answer
    x = 19,819.41

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1.5x scale

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.