Home / 39,847.61-59,718.94-18,759.06

Finding the Fourth Proportional to 39,847.61, 59,718.94 and 18,759.06

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Solution

The fourth proportional to 39,847.61, 59,718.94 and 18,759.06 is: 28,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,847.61 : 59,718.94 = 18,759.06 : x
  2. Step 2: Convert to fraction form
    39,847.61/59,718.94 = 18,759.06/x
  3. Step 3: Cross multiply
    39,847.61x = 59,718.94 × 18,759.06
  4. Step 4: Simplify right side
    39,847.61x = 1,120,271,131.70
  5. Step 5: Solve for x
    x = 1,120,271,131.70/39,847.61
  6. Step 6: Final answer
    x = 28,113.88

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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.