Home / 31,744.40-47,623.26-12,022.52

Finding the Fourth Proportional to 31,744.40, 47,623.26 and 12,022.52

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Solution

The fourth proportional to 31,744.40, 47,623.26 and 12,022.52 is: 18,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,744.40 : 47,623.26 = 12,022.52 : x
  2. Step 2: Convert to fraction form
    31,744.40/47,623.26 = 12,022.52/x
  3. Step 3: Cross multiply
    31,744.40x = 47,623.26 × 12,022.52
  4. Step 4: Simplify right side
    31,744.40x = 572,551,595.82
  5. Step 5: Solve for x
    x = 572,551,595.82/31,744.40
  6. Step 6: Final answer
    x = 18,036.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.