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Finding the Fourth Proportional to 39,998.50, 60,007.47 and 12,296.50

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Solution

The fourth proportional to 39,998.50, 60,007.47 and 12,296.50 is: 18,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.50 : 60,007.47 = 12,296.50 : x
  2. Step 2: Convert to fraction form
    39,998.50/60,007.47 = 12,296.50/x
  3. Step 3: Cross multiply
    39,998.50x = 60,007.47 × 12,296.50
  4. Step 4: Simplify right side
    39,998.50x = 737,881,854.86
  5. Step 5: Solve for x
    x = 737,881,854.86/39,998.50
  6. Step 6: Final answer
    x = 18,447.74

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1.5x scale

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.