Home / 54,787.91-75,595.14-30,905.87

Finding the Fourth Proportional to 54,787.91, 75,595.14 and 30,905.87

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Solution

The fourth proportional to 54,787.91, 75,595.14 and 30,905.87 is: 42,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.91 : 75,595.14 = 30,905.87 : x
  2. Step 2: Convert to fraction form
    54,787.91/75,595.14 = 30,905.87/x
  3. Step 3: Cross multiply
    54,787.91x = 75,595.14 × 30,905.87
  4. Step 4: Simplify right side
    54,787.91x = 2,336,333,191.50
  5. Step 5: Solve for x
    x = 2,336,333,191.50/54,787.91
  6. Step 6: Final answer
    x = 42,643.23

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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.