Home / 54,829.04-75,663.41-30,956.72

Finding the Fourth Proportional to 54,829.04, 75,663.41 and 30,956.72

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Solution

The fourth proportional to 54,829.04, 75,663.41 and 30,956.72 is: 42,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,829.04 : 75,663.41 = 30,956.72 : x
  2. Step 2: Convert to fraction form
    54,829.04/75,663.41 = 30,956.72/x
  3. Step 3: Cross multiply
    54,829.04x = 75,663.41 × 30,956.72
  4. Step 4: Simplify right side
    54,829.04x = 2,342,290,464.51
  5. Step 5: Solve for x
    x = 2,342,290,464.51/54,829.04
  6. Step 6: Final answer
    x = 42,719.89

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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.