Home / 31,567.22-43,544.40-20,232.70

Finding the Fourth Proportional to 31,567.22, 43,544.40 and 20,232.70

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Solution

The fourth proportional to 31,567.22, 43,544.40 and 20,232.70 is: 27,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.22 : 43,544.40 = 20,232.70 : x
  2. Step 2: Convert to fraction form
    31,567.22/43,544.40 = 20,232.70/x
  3. Step 3: Cross multiply
    31,567.22x = 43,544.40 × 20,232.70
  4. Step 4: Simplify right side
    31,567.22x = 881,020,781.88
  5. Step 5: Solve for x
    x = 881,020,781.88/31,567.22
  6. Step 6: Final answer
    x = 27,909.36

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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.