Home / 31,514.23-47,271.21-9,327.75

Finding the Fourth Proportional to 31,514.23, 47,271.21 and 9,327.75

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Solution

The fourth proportional to 31,514.23, 47,271.21 and 9,327.75 is: 13,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.23 : 47,271.21 = 9,327.75 : x
  2. Step 2: Convert to fraction form
    31,514.23/47,271.21 = 9,327.75/x
  3. Step 3: Cross multiply
    31,514.23x = 47,271.21 × 9,327.75
  4. Step 4: Simplify right side
    31,514.23x = 440,934,029.08
  5. Step 5: Solve for x
    x = 440,934,029.08/31,514.23
  6. Step 6: Final answer
    x = 13,991.59

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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.