Home / 57,456.19-86,124.84-21,907.94

Finding the Fourth Proportional to 57,456.19, 86,124.84 and 21,907.94

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Solution

The fourth proportional to 57,456.19, 86,124.84 and 21,907.94 is: 32,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,456.19 : 86,124.84 = 21,907.94 : x
  2. Step 2: Convert to fraction form
    57,456.19/86,124.84 = 21,907.94/x
  3. Step 3: Cross multiply
    57,456.19x = 86,124.84 × 21,907.94
  4. Step 4: Simplify right side
    57,456.19x = 1,886,817,717.69
  5. Step 5: Solve for x
    x = 1,886,817,717.69/57,456.19
  6. Step 6: Final answer
    x = 32,839.24

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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.