Home / 41,989.05-62,992.45-13,907.51

Finding the Fourth Proportional to 41,989.05, 62,992.45 and 13,907.51

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Solution

The fourth proportional to 41,989.05, 62,992.45 and 13,907.51 is: 20,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,989.05 : 62,992.45 = 13,907.51 : x
  2. Step 2: Convert to fraction form
    41,989.05/62,992.45 = 13,907.51/x
  3. Step 3: Cross multiply
    41,989.05x = 62,992.45 × 13,907.51
  4. Step 4: Simplify right side
    41,989.05x = 876,068,184.86
  5. Step 5: Solve for x
    x = 876,068,184.86/41,989.05
  6. Step 6: Final answer
    x = 20,864.21

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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.