Home / 42,148.88-63,216.94-15,847.47

Finding the Fourth Proportional to 42,148.88, 63,216.94 and 15,847.47

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Solution

The fourth proportional to 42,148.88, 63,216.94 and 15,847.47 is: 23,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,148.88 : 63,216.94 = 15,847.47 : x
  2. Step 2: Convert to fraction form
    42,148.88/63,216.94 = 15,847.47/x
  3. Step 3: Cross multiply
    42,148.88x = 63,216.94 × 15,847.47
  4. Step 4: Simplify right side
    42,148.88x = 1,001,828,560.14
  5. Step 5: Solve for x
    x = 1,001,828,560.14/42,148.88
  6. Step 6: Final answer
    x = 23,768.81

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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.