Home / 31,135.06-46,701.38-8,948.36

Finding the Fourth Proportional to 31,135.06, 46,701.38 and 8,948.36

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Solution

The fourth proportional to 31,135.06, 46,701.38 and 8,948.36 is: 13,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.06 : 46,701.38 = 8,948.36 : x
  2. Step 2: Convert to fraction form
    31,135.06/46,701.38 = 8,948.36/x
  3. Step 3: Cross multiply
    31,135.06x = 46,701.38 × 8,948.36
  4. Step 4: Simplify right side
    31,135.06x = 417,900,760.74
  5. Step 5: Solve for x
    x = 417,900,760.74/31,135.06
  6. Step 6: Final answer
    x = 13,422.19

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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.