Home / 42,662.28-63,966-17,719.52

Finding the Fourth Proportional to 42,662.28, 63,966 and 17,719.52

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Solution

The fourth proportional to 42,662.28, 63,966 and 17,719.52 is: 26,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,662.28 : 63,966 = 17,719.52 : x
  2. Step 2: Convert to fraction form
    42,662.28/63,966 = 17,719.52/x
  3. Step 3: Cross multiply
    42,662.28x = 63,966 × 17,719.52
  4. Step 4: Simplify right side
    42,662.28x = 1,133,446,816.32
  5. Step 5: Solve for x
    x = 1,133,446,816.32/42,662.28
  6. Step 6: Final answer
    x = 26,567.89

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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.