Home / 39,221.40-58,832.10-26,779.80

Finding the Fourth Proportional to 39,221.40, 58,832.10 and 26,779.80

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Solution

The fourth proportional to 39,221.40, 58,832.10 and 26,779.80 is: 40,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.40 : 58,832.10 = 26,779.80 : x
  2. Step 2: Convert to fraction form
    39,221.40/58,832.10 = 26,779.80/x
  3. Step 3: Cross multiply
    39,221.40x = 58,832.10 × 26,779.80
  4. Step 4: Simplify right side
    39,221.40x = 1,575,511,871.58
  5. Step 5: Solve for x
    x = 1,575,511,871.58/39,221.40
  6. Step 6: Final answer
    x = 40,169.70

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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.