Home / 31,277.97-46,905.17-10,213.11

Finding the Fourth Proportional to 31,277.97, 46,905.17 and 10,213.11

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Solution

The fourth proportional to 31,277.97, 46,905.17 and 10,213.11 is: 15,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277.97 : 46,905.17 = 10,213.11 : x
  2. Step 2: Convert to fraction form
    31,277.97/46,905.17 = 10,213.11/x
  3. Step 3: Cross multiply
    31,277.97x = 46,905.17 × 10,213.11
  4. Step 4: Simplify right side
    31,277.97x = 479,047,609.71
  5. Step 5: Solve for x
    x = 479,047,609.71/31,277.97
  6. Step 6: Final answer
    x = 15,315.82

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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.