Home / 31,362.89-47,047.66-9,176.38

Finding the Fourth Proportional to 31,362.89, 47,047.66 and 9,176.38

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Solution

The fourth proportional to 31,362.89, 47,047.66 and 9,176.38 is: 13,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,362.89 : 47,047.66 = 9,176.38 : x
  2. Step 2: Convert to fraction form
    31,362.89/47,047.66 = 9,176.38/x
  3. Step 3: Cross multiply
    31,362.89x = 47,047.66 × 9,176.38
  4. Step 4: Simplify right side
    31,362.89x = 431,727,065.71
  5. Step 5: Solve for x
    x = 431,727,065.71/31,362.89
  6. Step 6: Final answer
    x = 13,765.54

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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.