Home / 31,624.68-43,643.70-18,195.96

Finding the Fourth Proportional to 31,624.68, 43,643.70 and 18,195.96

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Solution

The fourth proportional to 31,624.68, 43,643.70 and 18,195.96 is: 25,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.68 : 43,643.70 = 18,195.96 : x
  2. Step 2: Convert to fraction form
    31,624.68/43,643.70 = 18,195.96/x
  3. Step 3: Cross multiply
    31,624.68x = 43,643.70 × 18,195.96
  4. Step 4: Simplify right side
    31,624.68x = 794,139,019.45
  5. Step 5: Solve for x
    x = 794,139,019.45/31,624.68
  6. Step 6: Final answer
    x = 25,111.37

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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.