Home / 47,716.65-65,855.03-28,864.17

Finding the Fourth Proportional to 47,716.65, 65,855.03 and 28,864.17

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Solution

The fourth proportional to 47,716.65, 65,855.03 and 28,864.17 is: 39,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.65 : 65,855.03 = 28,864.17 : x
  2. Step 2: Convert to fraction form
    47,716.65/65,855.03 = 28,864.17/x
  3. Step 3: Cross multiply
    47,716.65x = 65,855.03 × 28,864.17
  4. Step 4: Simplify right side
    47,716.65x = 1,900,850,636.95
  5. Step 5: Solve for x
    x = 1,900,850,636.95/47,716.65
  6. Step 6: Final answer
    x = 39,836.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.