Home / 55,948.10-77,208.39-30,797.60

Finding the Fourth Proportional to 55,948.10, 77,208.39 and 30,797.60

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Solution

The fourth proportional to 55,948.10, 77,208.39 and 30,797.60 is: 42,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,948.10 : 77,208.39 = 30,797.60 : x
  2. Step 2: Convert to fraction form
    55,948.10/77,208.39 = 30,797.60/x
  3. Step 3: Cross multiply
    55,948.10x = 77,208.39 × 30,797.60
  4. Step 4: Simplify right side
    55,948.10x = 2,377,832,571.83
  5. Step 5: Solve for x
    x = 2,377,832,571.83/55,948.10
  6. Step 6: Final answer
    x = 42,500.69

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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.