Home / 74,901.36-112,324.48-30,504

Finding the Fourth Proportional to 74,901.36, 112,324.48 and 30,504

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Solution

The fourth proportional to 74,901.36, 112,324.48 and 30,504 is: 45,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,901.36 : 112,324.48 = 30,504 : x
  2. Step 2: Convert to fraction form
    74,901.36/112,324.48 = 30,504/x
  3. Step 3: Cross multiply
    74,901.36x = 112,324.48 × 30,504
  4. Step 4: Simplify right side
    74,901.36x = 3,426,345,937.92
  5. Step 5: Solve for x
    x = 3,426,345,937.92/74,901.36
  6. Step 6: Final answer
    x = 45,744.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.