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Finding the Fourth Proportional to 64,580.95, 96,871.28 and 17,833.69

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Solution

The fourth proportional to 64,580.95, 96,871.28 and 17,833.69 is: 26,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,580.95 : 96,871.28 = 17,833.69 : x
  2. Step 2: Convert to fraction form
    64,580.95/96,871.28 = 17,833.69/x
  3. Step 3: Cross multiply
    64,580.95x = 96,871.28 × 17,833.69
  4. Step 4: Simplify right side
    64,580.95x = 1,727,572,377.42
  5. Step 5: Solve for x
    x = 1,727,572,377.42/64,580.95
  6. Step 6: Final answer
    x = 26,750.49

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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.