Home / 31,728.50-47,590.92-9,541.46

Finding the Fourth Proportional to 31,728.50, 47,590.92 and 9,541.46

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Solution

The fourth proportional to 31,728.50, 47,590.92 and 9,541.46 is: 14,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.50 : 47,590.92 = 9,541.46 : x
  2. Step 2: Convert to fraction form
    31,728.50/47,590.92 = 9,541.46/x
  3. Step 3: Cross multiply
    31,728.50x = 47,590.92 × 9,541.46
  4. Step 4: Simplify right side
    31,728.50x = 454,086,859.54
  5. Step 5: Solve for x
    x = 454,086,859.54/31,728.50
  6. Step 6: Final answer
    x = 14,311.64

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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.