Home / 43,253.28-64,845.36-18,646.56

Finding the Fourth Proportional to 43,253.28, 64,845.36 and 18,646.56

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Solution

The fourth proportional to 43,253.28, 64,845.36 and 18,646.56 is: 27,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,253.28 : 64,845.36 = 18,646.56 : x
  2. Step 2: Convert to fraction form
    43,253.28/64,845.36 = 18,646.56/x
  3. Step 3: Cross multiply
    43,253.28x = 64,845.36 × 18,646.56
  4. Step 4: Simplify right side
    43,253.28x = 1,209,142,895.96
  5. Step 5: Solve for x
    x = 1,209,142,895.96/43,253.28
  6. Step 6: Final answer
    x = 27,954.94

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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.