Home / 43,418.84-65,026.19-21,162.47

Finding the Fourth Proportional to 43,418.84, 65,026.19 and 21,162.47

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Solution

The fourth proportional to 43,418.84, 65,026.19 and 21,162.47 is: 31,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.84 : 65,026.19 = 21,162.47 : x
  2. Step 2: Convert to fraction form
    43,418.84/65,026.19 = 21,162.47/x
  3. Step 3: Cross multiply
    43,418.84x = 65,026.19 × 21,162.47
  4. Step 4: Simplify right side
    43,418.84x = 1,376,114,522.86
  5. Step 5: Solve for x
    x = 1,376,114,522.86/43,418.84
  6. Step 6: Final answer
    x = 31,693.95

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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.