Home / 42,548.91-63,825.77-12,967.71

Finding the Fourth Proportional to 42,548.91, 63,825.77 and 12,967.71

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Solution

The fourth proportional to 42,548.91, 63,825.77 and 12,967.71 is: 19,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,548.91 : 63,825.77 = 12,967.71 : x
  2. Step 2: Convert to fraction form
    42,548.91/63,825.77 = 12,967.71/x
  3. Step 3: Cross multiply
    42,548.91x = 63,825.77 × 12,967.71
  4. Step 4: Simplify right side
    42,548.91x = 827,674,219.24
  5. Step 5: Solve for x
    x = 827,674,219.24/42,548.91
  6. Step 6: Final answer
    x = 19,452.30

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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.