Home / 38,432.97-57,647.37-11,779.05

Finding the Fourth Proportional to 38,432.97, 57,647.37 and 11,779.05

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Solution

The fourth proportional to 38,432.97, 57,647.37 and 11,779.05 is: 17,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.97 : 57,647.37 = 11,779.05 : x
  2. Step 2: Convert to fraction form
    38,432.97/57,647.37 = 11,779.05/x
  3. Step 3: Cross multiply
    38,432.97x = 57,647.37 × 11,779.05
  4. Step 4: Simplify right side
    38,432.97x = 679,031,253.60
  5. Step 5: Solve for x
    x = 679,031,253.60/38,432.97
  6. Step 6: Final answer
    x = 17,667.94

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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.