Home / 31,197.91-46,804.20-10,137.88

Finding the Fourth Proportional to 31,197.91, 46,804.20 and 10,137.88

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Solution

The fourth proportional to 31,197.91, 46,804.20 and 10,137.88 is: 15,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,197.91 : 46,804.20 = 10,137.88 : x
  2. Step 2: Convert to fraction form
    31,197.91/46,804.20 = 10,137.88/x
  3. Step 3: Cross multiply
    31,197.91x = 46,804.20 × 10,137.88
  4. Step 4: Simplify right side
    31,197.91x = 474,495,363.10
  5. Step 5: Solve for x
    x = 474,495,363.10/31,197.91
  6. Step 6: Final answer
    x = 15,209.20

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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.