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Finding the Fourth Proportional to 40,597, 60,903.18 and 18,709

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Solution

The fourth proportional to 40,597, 60,903.18 and 18,709 is: 28,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,597 : 60,903.18 = 18,709 : x
  2. Step 2: Convert to fraction form
    40,597/60,903.18 = 18,709/x
  3. Step 3: Cross multiply
    40,597x = 60,903.18 × 18,709
  4. Step 4: Simplify right side
    40,597x = 1,139,437,594.62
  5. Step 5: Solve for x
    x = 1,139,437,594.62/40,597
  6. Step 6: Final answer
    x = 28,067.04

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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.