Home / 42,997.80-64,521.66-18,035.88

Finding the Fourth Proportional to 42,997.80, 64,521.66 and 18,035.88

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Solution

The fourth proportional to 42,997.80, 64,521.66 and 18,035.88 is: 27,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997.80 : 64,521.66 = 18,035.88 : x
  2. Step 2: Convert to fraction form
    42,997.80/64,521.66 = 18,035.88/x
  3. Step 3: Cross multiply
    42,997.80x = 64,521.66 × 18,035.88
  4. Step 4: Simplify right side
    42,997.80x = 1,163,704,917.16
  5. Step 5: Solve for x
    x = 1,163,704,917.16/42,997.80
  6. Step 6: Final answer
    x = 27,064.29

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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.