Home / 42,548.60-63,825.30-12,967.40

Finding the Fourth Proportional to 42,548.60, 63,825.30 and 12,967.40

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Solution

The fourth proportional to 42,548.60, 63,825.30 and 12,967.40 is: 19,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,548.60 : 63,825.30 = 12,967.40 : x
  2. Step 2: Convert to fraction form
    42,548.60/63,825.30 = 12,967.40/x
  3. Step 3: Cross multiply
    42,548.60x = 63,825.30 × 12,967.40
  4. Step 4: Simplify right side
    42,548.60x = 827,648,195.22
  5. Step 5: Solve for x
    x = 827,648,195.22/42,548.60
  6. Step 6: Final answer
    x = 19,451.83

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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.