Home / 31,211.24-46,807.13-10,429.88

Finding the Fourth Proportional to 31,211.24, 46,807.13 and 10,429.88

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Solution

The fourth proportional to 31,211.24, 46,807.13 and 10,429.88 is: 15,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.24 : 46,807.13 = 10,429.88 : x
  2. Step 2: Convert to fraction form
    31,211.24/46,807.13 = 10,429.88/x
  3. Step 3: Cross multiply
    31,211.24x = 46,807.13 × 10,429.88
  4. Step 4: Simplify right side
    31,211.24x = 488,192,541.08
  5. Step 5: Solve for x
    x = 488,192,541.08/31,211.24
  6. Step 6: Final answer
    x = 15,641.56

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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.