Home / 39,789.34-54,881.19-33,779.65

Finding the Fourth Proportional to 39,789.34, 54,881.19 and 33,779.65

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Solution

The fourth proportional to 39,789.34, 54,881.19 and 33,779.65 is: 46,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.34 : 54,881.19 = 33,779.65 : x
  2. Step 2: Convert to fraction form
    39,789.34/54,881.19 = 33,779.65/x
  3. Step 3: Cross multiply
    39,789.34x = 54,881.19 × 33,779.65
  4. Step 4: Simplify right side
    39,789.34x = 1,853,867,389.78
  5. Step 5: Solve for x
    x = 1,853,867,389.78/39,789.34
  6. Step 6: Final answer
    x = 46,592.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.