Home / 31,318.79-46,985.46-10,542.29

Finding the Fourth Proportional to 31,318.79, 46,985.46 and 10,542.29

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Solution

The fourth proportional to 31,318.79, 46,985.46 and 10,542.29 is: 15,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.79 : 46,985.46 = 10,542.29 : x
  2. Step 2: Convert to fraction form
    31,318.79/46,985.46 = 10,542.29/x
  3. Step 3: Cross multiply
    31,318.79x = 46,985.46 × 10,542.29
  4. Step 4: Simplify right side
    31,318.79x = 495,334,110.18
  5. Step 5: Solve for x
    x = 495,334,110.18/31,318.79
  6. Step 6: Final answer
    x = 15,815.88

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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.