Home / 42,476.94-63,736.82-30,076.65

Finding the Fourth Proportional to 42,476.94, 63,736.82 and 30,076.65

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Solution

The fourth proportional to 42,476.94, 63,736.82 and 30,076.65 is: 45,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,476.94 : 63,736.82 = 30,076.65 : x
  2. Step 2: Convert to fraction form
    42,476.94/63,736.82 = 30,076.65/x
  3. Step 3: Cross multiply
    42,476.94x = 63,736.82 × 30,076.65
  4. Step 4: Simplify right side
    42,476.94x = 1,916,989,876.87
  5. Step 5: Solve for x
    x = 1,916,989,876.87/42,476.94
  6. Step 6: Final answer
    x = 45,130.13

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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.