Home / 39,439.01-59,149.55-11,352.78

Finding the Fourth Proportional to 39,439.01, 59,149.55 and 11,352.78

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Solution

The fourth proportional to 39,439.01, 59,149.55 and 11,352.78 is: 17,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.01 : 59,149.55 = 11,352.78 : x
  2. Step 2: Convert to fraction form
    39,439.01/59,149.55 = 11,352.78/x
  3. Step 3: Cross multiply
    39,439.01x = 59,149.55 × 11,352.78
  4. Step 4: Simplify right side
    39,439.01x = 671,511,771.49
  5. Step 5: Solve for x
    x = 671,511,771.49/39,439.01
  6. Step 6: Final answer
    x = 17,026.59

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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.