Home / 42,867.06-64,310.85-17,893.20

Finding the Fourth Proportional to 42,867.06, 64,310.85 and 17,893.20

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Solution

The fourth proportional to 42,867.06, 64,310.85 and 17,893.20 is: 26,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,867.06 : 64,310.85 = 17,893.20 : x
  2. Step 2: Convert to fraction form
    42,867.06/64,310.85 = 17,893.20/x
  3. Step 3: Cross multiply
    42,867.06x = 64,310.85 × 17,893.20
  4. Step 4: Simplify right side
    42,867.06x = 1,150,726,901.22
  5. Step 5: Solve for x
    x = 1,150,726,901.22/42,867.06
  6. Step 6: Final answer
    x = 26,844.08

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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.