Home / 42,998.86-64,473.38-16,672.78

Finding the Fourth Proportional to 42,998.86, 64,473.38 and 16,672.78

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Solution

The fourth proportional to 42,998.86, 64,473.38 and 16,672.78 is: 24,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,998.86 : 64,473.38 = 16,672.78 : x
  2. Step 2: Convert to fraction form
    42,998.86/64,473.38 = 16,672.78/x
  3. Step 3: Cross multiply
    42,998.86x = 64,473.38 × 16,672.78
  4. Step 4: Simplify right side
    42,998.86x = 1,074,950,480.60
  5. Step 5: Solve for x
    x = 1,074,950,480.60/42,998.86
  6. Step 6: Final answer
    x = 24,999.51

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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.