Home / 31,349.30-47,024.24-7,975.72

Finding the Fourth Proportional to 31,349.30, 47,024.24 and 7,975.72

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Solution

The fourth proportional to 31,349.30, 47,024.24 and 7,975.72 is: 11,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.30 : 47,024.24 = 7,975.72 : x
  2. Step 2: Convert to fraction form
    31,349.30/47,024.24 = 7,975.72/x
  3. Step 3: Cross multiply
    31,349.30x = 47,024.24 × 7,975.72
  4. Step 4: Simplify right side
    31,349.30x = 375,052,171.45
  5. Step 5: Solve for x
    x = 375,052,171.45/31,349.30
  6. Step 6: Final answer
    x = 11,963.65

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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.