Home / 43,027.02-64,543.78-11,862

Finding the Fourth Proportional to 43,027.02, 64,543.78 and 11,862

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Solution

The fourth proportional to 43,027.02, 64,543.78 and 11,862 is: 17,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,027.02 : 64,543.78 = 11,862 : x
  2. Step 2: Convert to fraction form
    43,027.02/64,543.78 = 11,862/x
  3. Step 3: Cross multiply
    43,027.02x = 64,543.78 × 11,862
  4. Step 4: Simplify right side
    43,027.02x = 765,618,318.36
  5. Step 5: Solve for x
    x = 765,618,318.36/43,027.02
  6. Step 6: Final answer
    x = 17,793.90

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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.