Home / 31,174.04-43,006.47-18,591.50

Finding the Fourth Proportional to 31,174.04, 43,006.47 and 18,591.50

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Solution

The fourth proportional to 31,174.04, 43,006.47 and 18,591.50 is: 25,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.04 : 43,006.47 = 18,591.50 : x
  2. Step 2: Convert to fraction form
    31,174.04/43,006.47 = 18,591.50/x
  3. Step 3: Cross multiply
    31,174.04x = 43,006.47 × 18,591.50
  4. Step 4: Simplify right side
    31,174.04x = 799,554,787.01
  5. Step 5: Solve for x
    x = 799,554,787.01/31,174.04
  6. Step 6: Final answer
    x = 25,648.10

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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.