Home / 39,899.10-59,842.17-18,839.10

Finding the Fourth Proportional to 39,899.10, 59,842.17 and 18,839.10

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Solution

The fourth proportional to 39,899.10, 59,842.17 and 18,839.10 is: 28,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.10 : 59,842.17 = 18,839.10 : x
  2. Step 2: Convert to fraction form
    39,899.10/59,842.17 = 18,839.10/x
  3. Step 3: Cross multiply
    39,899.10x = 59,842.17 × 18,839.10
  4. Step 4: Simplify right side
    39,899.10x = 1,127,372,624.85
  5. Step 5: Solve for x
    x = 1,127,372,624.85/39,899.10
  6. Step 6: Final answer
    x = 28,255.59

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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.