Home / 40,779.89-61,169.19-14,145.27

Finding the Fourth Proportional to 40,779.89, 61,169.19 and 14,145.27

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Solution

The fourth proportional to 40,779.89, 61,169.19 and 14,145.27 is: 21,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.89 : 61,169.19 = 14,145.27 : x
  2. Step 2: Convert to fraction form
    40,779.89/61,169.19 = 14,145.27/x
  3. Step 3: Cross multiply
    40,779.89x = 61,169.19 × 14,145.27
  4. Step 4: Simplify right side
    40,779.89x = 865,254,708.23
  5. Step 5: Solve for x
    x = 865,254,708.23/40,779.89
  6. Step 6: Final answer
    x = 21,217.68

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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.