Home / 39,125.80-58,688.70-12,824.20

Finding the Fourth Proportional to 39,125.80, 58,688.70 and 12,824.20

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Solution

The fourth proportional to 39,125.80, 58,688.70 and 12,824.20 is: 19,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.80 : 58,688.70 = 12,824.20 : x
  2. Step 2: Convert to fraction form
    39,125.80/58,688.70 = 12,824.20/x
  3. Step 3: Cross multiply
    39,125.80x = 58,688.70 × 12,824.20
  4. Step 4: Simplify right side
    39,125.80x = 752,635,626.54
  5. Step 5: Solve for x
    x = 752,635,626.54/39,125.80
  6. Step 6: Final answer
    x = 19,236.30

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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.