Home / 35,787.95-49,389.59-19,872.51

Finding the Fourth Proportional to 35,787.95, 49,389.59 and 19,872.51

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Solution

The fourth proportional to 35,787.95, 49,389.59 and 19,872.51 is: 27,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.95 : 49,389.59 = 19,872.51 : x
  2. Step 2: Convert to fraction form
    35,787.95/49,389.59 = 19,872.51/x
  3. Step 3: Cross multiply
    35,787.95x = 49,389.59 × 19,872.51
  4. Step 4: Simplify right side
    35,787.95x = 981,495,121.17
  5. Step 5: Solve for x
    x = 981,495,121.17/35,787.95
  6. Step 6: Final answer
    x = 27,425.30

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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.