Home / 74,939.64-112,409.44-22,386

Finding the Fourth Proportional to 74,939.64, 112,409.44 and 22,386

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Solution

The fourth proportional to 74,939.64, 112,409.44 and 22,386 is: 33,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,939.64 : 112,409.44 = 22,386 : x
  2. Step 2: Convert to fraction form
    74,939.64/112,409.44 = 22,386/x
  3. Step 3: Cross multiply
    74,939.64x = 112,409.44 × 22,386
  4. Step 4: Simplify right side
    74,939.64x = 2,516,397,723.84
  5. Step 5: Solve for x
    x = 2,516,397,723.84/74,939.64
  6. Step 6: Final answer
    x = 33,578.99

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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.