Home / 31,277.40-46,972.08-28,774.14

Finding the Fourth Proportional to 31,277.40, 46,972.08 and 28,774.14

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Solution

The fourth proportional to 31,277.40, 46,972.08 and 28,774.14 is: 43,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277.40 : 46,972.08 = 28,774.14 : x
  2. Step 2: Convert to fraction form
    31,277.40/46,972.08 = 28,774.14/x
  3. Step 3: Cross multiply
    31,277.40x = 46,972.08 × 28,774.14
  4. Step 4: Simplify right side
    31,277.40x = 1,351,581,206.01
  5. Step 5: Solve for x
    x = 1,351,581,206.01/31,277.40
  6. Step 6: Final answer
    x = 43,212.71

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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.