Home / 42,824.30-64,236.87-19,133.01

Finding the Fourth Proportional to 42,824.30, 64,236.87 and 19,133.01

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Solution

The fourth proportional to 42,824.30, 64,236.87 and 19,133.01 is: 28,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,824.30 : 64,236.87 = 19,133.01 : x
  2. Step 2: Convert to fraction form
    42,824.30/64,236.87 = 19,133.01/x
  3. Step 3: Cross multiply
    42,824.30x = 64,236.87 × 19,133.01
  4. Step 4: Simplify right side
    42,824.30x = 1,229,044,676.08
  5. Step 5: Solve for x
    x = 1,229,044,676.08/42,824.30
  6. Step 6: Final answer
    x = 28,699.71

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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.