Home / 31,281.85-43,169.52-17,133.79

Finding the Fourth Proportional to 31,281.85, 43,169.52 and 17,133.79

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Solution

The fourth proportional to 31,281.85, 43,169.52 and 17,133.79 is: 23,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.85 : 43,169.52 = 17,133.79 : x
  2. Step 2: Convert to fraction form
    31,281.85/43,169.52 = 17,133.79/x
  3. Step 3: Cross multiply
    31,281.85x = 43,169.52 × 17,133.79
  4. Step 4: Simplify right side
    31,281.85x = 739,657,490.08
  5. Step 5: Solve for x
    x = 739,657,490.08/31,281.85
  6. Step 6: Final answer
    x = 23,644.94

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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.