Home / 54,795.24-75,616.20-30,921.30

Finding the Fourth Proportional to 54,795.24, 75,616.20 and 30,921.30

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Solution

The fourth proportional to 54,795.24, 75,616.20 and 30,921.30 is: 42,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,795.24 : 75,616.20 = 30,921.30 : x
  2. Step 2: Convert to fraction form
    54,795.24/75,616.20 = 30,921.30/x
  3. Step 3: Cross multiply
    54,795.24x = 75,616.20 × 30,921.30
  4. Step 4: Simplify right side
    54,795.24x = 2,338,151,205.06
  5. Step 5: Solve for x
    x = 2,338,151,205.06/54,795.24
  6. Step 6: Final answer
    x = 42,670.70

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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.