Home / 39,247.37-58,862.82-12,945.95

Finding the Fourth Proportional to 39,247.37, 58,862.82 and 12,945.95

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Solution

The fourth proportional to 39,247.37, 58,862.82 and 12,945.95 is: 19,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.37 : 58,862.82 = 12,945.95 : x
  2. Step 2: Convert to fraction form
    39,247.37/58,862.82 = 12,945.95/x
  3. Step 3: Cross multiply
    39,247.37x = 58,862.82 × 12,945.95
  4. Step 4: Simplify right side
    39,247.37x = 762,035,026.73
  5. Step 5: Solve for x
    x = 762,035,026.73/39,247.37
  6. Step 6: Final answer
    x = 19,416.21

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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.