Home / 31,998.11-48,003.33-12,275.17

Finding the Fourth Proportional to 31,998.11, 48,003.33 and 12,275.17

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Solution

The fourth proportional to 31,998.11, 48,003.33 and 12,275.17 is: 18,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998.11 : 48,003.33 = 12,275.17 : x
  2. Step 2: Convert to fraction form
    31,998.11/48,003.33 = 12,275.17/x
  3. Step 3: Cross multiply
    31,998.11x = 48,003.33 × 12,275.17
  4. Step 4: Simplify right side
    31,998.11x = 589,248,916.31
  5. Step 5: Solve for x
    x = 589,248,916.31/31,998.11
  6. Step 6: Final answer
    x = 18,415.11

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1.5x scale

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.