Home / 54,690.54-75,464.72-30,816.69

Finding the Fourth Proportional to 54,690.54, 75,464.72 and 30,816.69

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Solution

The fourth proportional to 54,690.54, 75,464.72 and 30,816.69 is: 42,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.54 : 75,464.72 = 30,816.69 : x
  2. Step 2: Convert to fraction form
    54,690.54/75,464.72 = 30,816.69/x
  3. Step 3: Cross multiply
    54,690.54x = 75,464.72 × 30,816.69
  4. Step 4: Simplify right side
    54,690.54x = 2,325,572,882.18
  5. Step 5: Solve for x
    x = 2,325,572,882.18/54,690.54
  6. Step 6: Final answer
    x = 42,522.40

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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.