Home / 31,938.52-44,065.40-18,507.18

Finding the Fourth Proportional to 31,938.52, 44,065.40 and 18,507.18

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Solution

The fourth proportional to 31,938.52, 44,065.40 and 18,507.18 is: 25,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938.52 : 44,065.40 = 18,507.18 : x
  2. Step 2: Convert to fraction form
    31,938.52/44,065.40 = 18,507.18/x
  3. Step 3: Cross multiply
    31,938.52x = 44,065.40 × 18,507.18
  4. Step 4: Simplify right side
    31,938.52x = 815,526,289.57
  5. Step 5: Solve for x
    x = 815,526,289.57/31,938.52
  6. Step 6: Final answer
    x = 25,534.25

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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.