Home / 57,427.48-86,155.02-19,982.04

Finding the Fourth Proportional to 57,427.48, 86,155.02 and 19,982.04

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Solution

The fourth proportional to 57,427.48, 86,155.02 and 19,982.04 is: 29,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,427.48 : 86,155.02 = 19,982.04 : x
  2. Step 2: Convert to fraction form
    57,427.48/86,155.02 = 19,982.04/x
  3. Step 3: Cross multiply
    57,427.48x = 86,155.02 × 19,982.04
  4. Step 4: Simplify right side
    57,427.48x = 1,721,553,055.84
  5. Step 5: Solve for x
    x = 1,721,553,055.84/57,427.48
  6. Step 6: Final answer
    x = 29,977.86

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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.