Home / 39,739.32-59,625.30-18,949.56

Finding the Fourth Proportional to 39,739.32, 59,625.30 and 18,949.56

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Solution

The fourth proportional to 39,739.32, 59,625.30 and 18,949.56 is: 28,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.32 : 59,625.30 = 18,949.56 : x
  2. Step 2: Convert to fraction form
    39,739.32/59,625.30 = 18,949.56/x
  3. Step 3: Cross multiply
    39,739.32x = 59,625.30 × 18,949.56
  4. Step 4: Simplify right side
    39,739.32x = 1,129,873,199.87
  5. Step 5: Solve for x
    x = 1,129,873,199.87/39,739.32
  6. Step 6: Final answer
    x = 28,432.12

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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.