Home / 55,989.33-77,265.28-30,838.83

Finding the Fourth Proportional to 55,989.33, 77,265.28 and 30,838.83

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Solution

The fourth proportional to 55,989.33, 77,265.28 and 30,838.83 is: 42,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989.33 : 77,265.28 = 30,838.83 : x
  2. Step 2: Convert to fraction form
    55,989.33/77,265.28 = 30,838.83/x
  3. Step 3: Cross multiply
    55,989.33x = 77,265.28 × 30,838.83
  4. Step 4: Simplify right side
    55,989.33x = 2,382,770,680.63
  5. Step 5: Solve for x
    x = 2,382,770,680.63/55,989.33
  6. Step 6: Final answer
    x = 42,557.59

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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.