Home / 31,475.85-43,440.42-18,047.06

Finding the Fourth Proportional to 31,475.85, 43,440.42 and 18,047.06

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Solution

The fourth proportional to 31,475.85, 43,440.42 and 18,047.06 is: 24,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.85 : 43,440.42 = 18,047.06 : x
  2. Step 2: Convert to fraction form
    31,475.85/43,440.42 = 18,047.06/x
  3. Step 3: Cross multiply
    31,475.85x = 43,440.42 × 18,047.06
  4. Step 4: Simplify right side
    31,475.85x = 783,971,778.03
  5. Step 5: Solve for x
    x = 783,971,778.03/31,475.85
  6. Step 6: Final answer
    x = 24,907.09

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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.