Home / 31,779.19-43,855.16-17,439.26

Finding the Fourth Proportional to 31,779.19, 43,855.16 and 17,439.26

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Solution

The fourth proportional to 31,779.19, 43,855.16 and 17,439.26 is: 24,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.19 : 43,855.16 = 17,439.26 : x
  2. Step 2: Convert to fraction form
    31,779.19/43,855.16 = 17,439.26/x
  3. Step 3: Cross multiply
    31,779.19x = 43,855.16 × 17,439.26
  4. Step 4: Simplify right side
    31,779.19x = 764,801,460.96
  5. Step 5: Solve for x
    x = 764,801,460.96/31,779.19
  6. Step 6: Final answer
    x = 24,066.11

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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.