Home / 42,140.66-63,241.02-19,958.94

Finding the Fourth Proportional to 42,140.66, 63,241.02 and 19,958.94

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Solution

The fourth proportional to 42,140.66, 63,241.02 and 19,958.94 is: 29,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140.66 : 63,241.02 = 19,958.94 : x
  2. Step 2: Convert to fraction form
    42,140.66/63,241.02 = 19,958.94/x
  3. Step 3: Cross multiply
    42,140.66x = 63,241.02 × 19,958.94
  4. Step 4: Simplify right side
    42,140.66x = 1,262,223,723.72
  5. Step 5: Solve for x
    x = 1,262,223,723.72/42,140.66
  6. Step 6: Final answer
    x = 29,952.64

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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.