Home / 54,830.08-75,665.28-30,956.48

Finding the Fourth Proportional to 54,830.08, 75,665.28 and 30,956.48

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Solution

The fourth proportional to 54,830.08, 75,665.28 and 30,956.48 is: 42,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.08 : 75,665.28 = 30,956.48 : x
  2. Step 2: Convert to fraction form
    54,830.08/75,665.28 = 30,956.48/x
  3. Step 3: Cross multiply
    54,830.08x = 75,665.28 × 30,956.48
  4. Step 4: Simplify right side
    54,830.08x = 2,342,330,727.01
  5. Step 5: Solve for x
    x = 2,342,330,727.01/54,830.08
  6. Step 6: Final answer
    x = 42,719.81

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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.