Home / 57,218.52-85,827.81-17,775.66

Finding the Fourth Proportional to 57,218.52, 85,827.81 and 17,775.66

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Solution

The fourth proportional to 57,218.52, 85,827.81 and 17,775.66 is: 26,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,218.52 : 85,827.81 = 17,775.66 : x
  2. Step 2: Convert to fraction form
    57,218.52/85,827.81 = 17,775.66/x
  3. Step 3: Cross multiply
    57,218.52x = 85,827.81 × 17,775.66
  4. Step 4: Simplify right side
    57,218.52x = 1,525,645,969.10
  5. Step 5: Solve for x
    x = 1,525,645,969.10/57,218.52
  6. Step 6: Final answer
    x = 26,663.50

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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.