Home / 31,654.65-43,652.07-20,322.39

Finding the Fourth Proportional to 31,654.65, 43,652.07 and 20,322.39

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Solution

The fourth proportional to 31,654.65, 43,652.07 and 20,322.39 is: 28,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.65 : 43,652.07 = 20,322.39 : x
  2. Step 2: Convert to fraction form
    31,654.65/43,652.07 = 20,322.39/x
  3. Step 3: Cross multiply
    31,654.65x = 43,652.07 × 20,322.39
  4. Step 4: Simplify right side
    31,654.65x = 887,114,390.85
  5. Step 5: Solve for x
    x = 887,114,390.85/31,654.65
  6. Step 6: Final answer
    x = 28,024.77

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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.