Home / 54,867.24-75,712.32-30,996

Finding the Fourth Proportional to 54,867.24, 75,712.32 and 30,996

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Solution

The fourth proportional to 54,867.24, 75,712.32 and 30,996 is: 42,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,867.24 : 75,712.32 = 30,996 : x
  2. Step 2: Convert to fraction form
    54,867.24/75,712.32 = 30,996/x
  3. Step 3: Cross multiply
    54,867.24x = 75,712.32 × 30,996
  4. Step 4: Simplify right side
    54,867.24x = 2,346,779,070.72
  5. Step 5: Solve for x
    x = 2,346,779,070.72/54,867.24
  6. Step 6: Final answer
    x = 42,771.95

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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.