Home / 31,013.56-42,797.40-17,585.72

Finding the Fourth Proportional to 31,013.56, 42,797.40 and 17,585.72

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Solution

The fourth proportional to 31,013.56, 42,797.40 and 17,585.72 is: 24,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.56 : 42,797.40 = 17,585.72 : x
  2. Step 2: Convert to fraction form
    31,013.56/42,797.40 = 17,585.72/x
  3. Step 3: Cross multiply
    31,013.56x = 42,797.40 × 17,585.72
  4. Step 4: Simplify right side
    31,013.56x = 752,623,093.13
  5. Step 5: Solve for x
    x = 752,623,093.13/31,013.56
  6. Step 6: Final answer
    x = 24,267.55

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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.