Home / 31,675.23-47,514.06-14,145.21

Finding the Fourth Proportional to 31,675.23, 47,514.06 and 14,145.21

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Solution

The fourth proportional to 31,675.23, 47,514.06 and 14,145.21 is: 21,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.23 : 47,514.06 = 14,145.21 : x
  2. Step 2: Convert to fraction form
    31,675.23/47,514.06 = 14,145.21/x
  3. Step 3: Cross multiply
    31,675.23x = 47,514.06 × 14,145.21
  4. Step 4: Simplify right side
    31,675.23x = 672,096,356.65
  5. Step 5: Solve for x
    x = 672,096,356.65/31,675.23
  6. Step 6: Final answer
    x = 21,218.36

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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.