Home / 42,787.49-64,083.29-26,110.80

Finding the Fourth Proportional to 42,787.49, 64,083.29 and 26,110.80

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Solution

The fourth proportional to 42,787.49, 64,083.29 and 26,110.80 is: 39,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,787.49 : 64,083.29 = 26,110.80 : x
  2. Step 2: Convert to fraction form
    42,787.49/64,083.29 = 26,110.80/x
  3. Step 3: Cross multiply
    42,787.49x = 64,083.29 × 26,110.80
  4. Step 4: Simplify right side
    42,787.49x = 1,673,265,837.98
  5. Step 5: Solve for x
    x = 1,673,265,837.98/42,787.49
  6. Step 6: Final answer
    x = 39,106.43

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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.