Home / 39,364.80-59,029.43-11,278.43

Finding the Fourth Proportional to 39,364.80, 59,029.43 and 11,278.43

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Solution

The fourth proportional to 39,364.80, 59,029.43 and 11,278.43 is: 16,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.80 : 59,029.43 = 11,278.43 : x
  2. Step 2: Convert to fraction form
    39,364.80/59,029.43 = 11,278.43/x
  3. Step 3: Cross multiply
    39,364.80x = 59,029.43 × 11,278.43
  4. Step 4: Simplify right side
    39,364.80x = 665,759,206.31
  5. Step 5: Solve for x
    x = 665,759,206.31/39,364.80
  6. Step 6: Final answer
    x = 16,912.55

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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.