Home / 31,642.99-47,441.06-19,160.08

Finding the Fourth Proportional to 31,642.99, 47,441.06 and 19,160.08

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Solution

The fourth proportional to 31,642.99, 47,441.06 and 19,160.08 is: 28,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,642.99 : 47,441.06 = 19,160.08 : x
  2. Step 2: Convert to fraction form
    31,642.99/47,441.06 = 19,160.08/x
  3. Step 3: Cross multiply
    31,642.99x = 47,441.06 × 19,160.08
  4. Step 4: Simplify right side
    31,642.99x = 908,974,504.88
  5. Step 5: Solve for x
    x = 908,974,504.88/31,642.99
  6. Step 6: Final answer
    x = 28,725.94

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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.