Home / 31,985.62-44,138.16-17,645.63

Finding the Fourth Proportional to 31,985.62, 44,138.16 and 17,645.63

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Solution

The fourth proportional to 31,985.62, 44,138.16 and 17,645.63 is: 24,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.62 : 44,138.16 = 17,645.63 : x
  2. Step 2: Convert to fraction form
    31,985.62/44,138.16 = 17,645.63/x
  3. Step 3: Cross multiply
    31,985.62x = 44,138.16 × 17,645.63
  4. Step 4: Simplify right side
    31,985.62x = 778,845,419.55
  5. Step 5: Solve for x
    x = 778,845,419.55/31,985.62
  6. Step 6: Final answer
    x = 24,349.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.