Home / 39,945.18-59,909.57-18,876.27

Finding the Fourth Proportional to 39,945.18, 59,909.57 and 18,876.27

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Solution

The fourth proportional to 39,945.18, 59,909.57 and 18,876.27 is: 28,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.18 : 59,909.57 = 18,876.27 : x
  2. Step 2: Convert to fraction form
    39,945.18/59,909.57 = 18,876.27/x
  3. Step 3: Cross multiply
    39,945.18x = 59,909.57 × 18,876.27
  4. Step 4: Simplify right side
    39,945.18x = 1,130,869,218.90
  5. Step 5: Solve for x
    x = 1,130,869,218.90/39,945.18
  6. Step 6: Final answer
    x = 28,310.53

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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.