Home / 31,350.27-47,020.54-9,157.69

Finding the Fourth Proportional to 31,350.27, 47,020.54 and 9,157.69

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Solution

The fourth proportional to 31,350.27, 47,020.54 and 9,157.69 is: 13,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,350.27 : 47,020.54 = 9,157.69 : x
  2. Step 2: Convert to fraction form
    31,350.27/47,020.54 = 9,157.69/x
  3. Step 3: Cross multiply
    31,350.27x = 47,020.54 × 9,157.69
  4. Step 4: Simplify right side
    31,350.27x = 430,599,528.95
  5. Step 5: Solve for x
    x = 430,599,528.95/31,350.27
  6. Step 6: Final answer
    x = 13,735.11

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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.