Home / 31,988.52-48,052.44-30,938.76

Finding the Fourth Proportional to 31,988.52, 48,052.44 and 30,938.76

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Solution

The fourth proportional to 31,988.52, 48,052.44 and 30,938.76 is: 46,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.52 : 48,052.44 = 30,938.76 : x
  2. Step 2: Convert to fraction form
    31,988.52/48,052.44 = 30,938.76/x
  3. Step 3: Cross multiply
    31,988.52x = 48,052.44 × 30,938.76
  4. Step 4: Simplify right side
    31,988.52x = 1,486,682,908.57
  5. Step 5: Solve for x
    x = 1,486,682,908.57/31,988.52
  6. Step 6: Final answer
    x = 46,475.51

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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.