Home / 40,012.86-59,959.89-16,291.38

Finding the Fourth Proportional to 40,012.86, 59,959.89 and 16,291.38

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Solution

The fourth proportional to 40,012.86, 59,959.89 and 16,291.38 is: 24,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.86 : 59,959.89 = 16,291.38 : x
  2. Step 2: Convert to fraction form
    40,012.86/59,959.89 = 16,291.38/x
  3. Step 3: Cross multiply
    40,012.86x = 59,959.89 × 16,291.38
  4. Step 4: Simplify right side
    40,012.86x = 976,829,685.62
  5. Step 5: Solve for x
    x = 976,829,685.62/40,012.86
  6. Step 6: Final answer
    x = 24,412.89

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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.