Home / 35,332.47-48,761.55-20,229.89

Finding the Fourth Proportional to 35,332.47, 48,761.55 and 20,229.89

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Solution

The fourth proportional to 35,332.47, 48,761.55 and 20,229.89 is: 27,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,332.47 : 48,761.55 = 20,229.89 : x
  2. Step 2: Convert to fraction form
    35,332.47/48,761.55 = 20,229.89/x
  3. Step 3: Cross multiply
    35,332.47x = 48,761.55 × 20,229.89
  4. Step 4: Simplify right side
    35,332.47x = 986,440,548.92
  5. Step 5: Solve for x
    x = 986,440,548.92/35,332.47
  6. Step 6: Final answer
    x = 27,918.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.