Home / 31,435.44-47,151.96-10,658.92

Finding the Fourth Proportional to 31,435.44, 47,151.96 and 10,658.92

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Solution

The fourth proportional to 31,435.44, 47,151.96 and 10,658.92 is: 15,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.44 : 47,151.96 = 10,658.92 : x
  2. Step 2: Convert to fraction form
    31,435.44/47,151.96 = 10,658.92/x
  3. Step 3: Cross multiply
    31,435.44x = 47,151.96 × 10,658.92
  4. Step 4: Simplify right side
    31,435.44x = 502,588,969.48
  5. Step 5: Solve for x
    x = 502,588,969.48/31,435.44
  6. Step 6: Final answer
    x = 15,987.97

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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.