Home / 31,989.52-44,145.57-18,563.50

Finding the Fourth Proportional to 31,989.52, 44,145.57 and 18,563.50

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Solution

The fourth proportional to 31,989.52, 44,145.57 and 18,563.50 is: 25,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.52 : 44,145.57 = 18,563.50 : x
  2. Step 2: Convert to fraction form
    31,989.52/44,145.57 = 18,563.50/x
  3. Step 3: Cross multiply
    31,989.52x = 44,145.57 × 18,563.50
  4. Step 4: Simplify right side
    31,989.52x = 819,496,288.70
  5. Step 5: Solve for x
    x = 819,496,288.70/31,989.52
  6. Step 6: Final answer
    x = 25,617.65

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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.