Home / 31,154.67-46,732.77-10,378.17

Finding the Fourth Proportional to 31,154.67, 46,732.77 and 10,378.17

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Solution

The fourth proportional to 31,154.67, 46,732.77 and 10,378.17 is: 15,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.67 : 46,732.77 = 10,378.17 : x
  2. Step 2: Convert to fraction form
    31,154.67/46,732.77 = 10,378.17/x
  3. Step 3: Cross multiply
    31,154.67x = 46,732.77 × 10,378.17
  4. Step 4: Simplify right side
    31,154.67x = 485,000,631.63
  5. Step 5: Solve for x
    x = 485,000,631.63/31,154.67
  6. Step 6: Final answer
    x = 15,567.51

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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.