Home / 31,779.18-43,855.22-17,439.10

Finding the Fourth Proportional to 31,779.18, 43,855.22 and 17,439.10

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Solution

The fourth proportional to 31,779.18, 43,855.22 and 17,439.10 is: 24,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.18 : 43,855.22 = 17,439.10 : x
  2. Step 2: Convert to fraction form
    31,779.18/43,855.22 = 17,439.10/x
  3. Step 3: Cross multiply
    31,779.18x = 43,855.22 × 17,439.10
  4. Step 4: Simplify right side
    31,779.18x = 764,795,501.06
  5. Step 5: Solve for x
    x = 764,795,501.06/31,779.18
  6. Step 6: Final answer
    x = 24,065.93

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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.