Home / 31,535.64-47,306.70-18,223.56

Finding the Fourth Proportional to 31,535.64, 47,306.70 and 18,223.56

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Solution

The fourth proportional to 31,535.64, 47,306.70 and 18,223.56 is: 27,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.64 : 47,306.70 = 18,223.56 : x
  2. Step 2: Convert to fraction form
    31,535.64/47,306.70 = 18,223.56/x
  3. Step 3: Cross multiply
    31,535.64x = 47,306.70 × 18,223.56
  4. Step 4: Simplify right side
    31,535.64x = 862,096,485.85
  5. Step 5: Solve for x
    x = 862,096,485.85/31,535.64
  6. Step 6: Final answer
    x = 27,337.21

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1.5x scale

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.