Home / 39,712.08-59,559.48-19,984.80

Finding the Fourth Proportional to 39,712.08, 59,559.48 and 19,984.80

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Solution

The fourth proportional to 39,712.08, 59,559.48 and 19,984.80 is: 29,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.08 : 59,559.48 = 19,984.80 : x
  2. Step 2: Convert to fraction form
    39,712.08/59,559.48 = 19,984.80/x
  3. Step 3: Cross multiply
    39,712.08x = 59,559.48 × 19,984.80
  4. Step 4: Simplify right side
    39,712.08x = 1,190,284,295.90
  5. Step 5: Solve for x
    x = 1,190,284,295.90/39,712.08
  6. Step 6: Final answer
    x = 29,972.85

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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.