Home / 31,768.89-43,841.28-17,622.64

Finding the Fourth Proportional to 31,768.89, 43,841.28 and 17,622.64

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Solution

The fourth proportional to 31,768.89, 43,841.28 and 17,622.64 is: 24,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768.89 : 43,841.28 = 17,622.64 : x
  2. Step 2: Convert to fraction form
    31,768.89/43,841.28 = 17,622.64/x
  3. Step 3: Cross multiply
    31,768.89x = 43,841.28 × 17,622.64
  4. Step 4: Simplify right side
    31,768.89x = 772,599,094.58
  5. Step 5: Solve for x
    x = 772,599,094.58/31,768.89
  6. Step 6: Final answer
    x = 24,319.36

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1.5x scale

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.