Home / 31,201.89-46,807.23-10,135.18

Finding the Fourth Proportional to 31,201.89, 46,807.23 and 10,135.18

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Solution

The fourth proportional to 31,201.89, 46,807.23 and 10,135.18 is: 15,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.89 : 46,807.23 = 10,135.18 : x
  2. Step 2: Convert to fraction form
    31,201.89/46,807.23 = 10,135.18/x
  3. Step 3: Cross multiply
    31,201.89x = 46,807.23 × 10,135.18
  4. Step 4: Simplify right side
    31,201.89x = 474,399,701.35
  5. Step 5: Solve for x
    x = 474,399,701.35/31,201.89
  6. Step 6: Final answer
    x = 15,204.20

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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.