Home / 42,997.26-64,419.51-36,693.30

Finding the Fourth Proportional to 42,997.26, 64,419.51 and 36,693.30

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Solution

The fourth proportional to 42,997.26, 64,419.51 and 36,693.30 is: 54,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997.26 : 64,419.51 = 36,693.30 : x
  2. Step 2: Convert to fraction form
    42,997.26/64,419.51 = 36,693.30/x
  3. Step 3: Cross multiply
    42,997.26x = 64,419.51 × 36,693.30
  4. Step 4: Simplify right side
    42,997.26x = 2,363,764,406.28
  5. Step 5: Solve for x
    x = 2,363,764,406.28/42,997.26
  6. Step 6: Final answer
    x = 54,974.77

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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.