Home / 39,512.94-59,257.10-13,211.53

Finding the Fourth Proportional to 39,512.94, 59,257.10 and 13,211.53

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Solution

The fourth proportional to 39,512.94, 59,257.10 and 13,211.53 is: 19,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,512.94 : 59,257.10 = 13,211.53 : x
  2. Step 2: Convert to fraction form
    39,512.94/59,257.10 = 13,211.53/x
  3. Step 3: Cross multiply
    39,512.94x = 59,257.10 × 13,211.53
  4. Step 4: Simplify right side
    39,512.94x = 782,876,954.36
  5. Step 5: Solve for x
    x = 782,876,954.36/39,512.94
  6. Step 6: Final answer
    x = 19,813.18

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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.