Home / 53,881.64-74,355-30,007.82

Finding the Fourth Proportional to 53,881.64, 74,355 and 30,007.82

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Solution

The fourth proportional to 53,881.64, 74,355 and 30,007.82 is: 41,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.64 : 74,355 = 30,007.82 : x
  2. Step 2: Convert to fraction form
    53,881.64/74,355 = 30,007.82/x
  3. Step 3: Cross multiply
    53,881.64x = 74,355 × 30,007.82
  4. Step 4: Simplify right side
    53,881.64x = 2,231,231,456.10
  5. Step 5: Solve for x
    x = 2,231,231,456.10/53,881.64
  6. Step 6: Final answer
    x = 41,409.87

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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.