Home / 31,675.05-47,515.01-14,146.65

Finding the Fourth Proportional to 31,675.05, 47,515.01 and 14,146.65

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Solution

The fourth proportional to 31,675.05, 47,515.01 and 14,146.65 is: 21,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.05 : 47,515.01 = 14,146.65 : x
  2. Step 2: Convert to fraction form
    31,675.05/47,515.01 = 14,146.65/x
  3. Step 3: Cross multiply
    31,675.05x = 47,515.01 × 14,146.65
  4. Step 4: Simplify right side
    31,675.05x = 672,178,145.48
  5. Step 5: Solve for x
    x = 672,178,145.48/31,675.05
  6. Step 6: Final answer
    x = 21,221.06

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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.