Home / 39,845.20-59,782.02-18,788.23

Finding the Fourth Proportional to 39,845.20, 59,782.02 and 18,788.23

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Solution

The fourth proportional to 39,845.20, 59,782.02 and 18,788.23 is: 28,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,845.20 : 59,782.02 = 18,788.23 : x
  2. Step 2: Convert to fraction form
    39,845.20/59,782.02 = 18,788.23/x
  3. Step 3: Cross multiply
    39,845.20x = 59,782.02 × 18,788.23
  4. Step 4: Simplify right side
    39,845.20x = 1,123,198,619.72
  5. Step 5: Solve for x
    x = 1,123,198,619.72/39,845.20
  6. Step 6: Final answer
    x = 28,189.06

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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.