Home / 56,445.17-84,608.49-18,992.25

Finding the Fourth Proportional to 56,445.17, 84,608.49 and 18,992.25

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Solution

The fourth proportional to 56,445.17, 84,608.49 and 18,992.25 is: 28,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,445.17 : 84,608.49 = 18,992.25 : x
  2. Step 2: Convert to fraction form
    56,445.17/84,608.49 = 18,992.25/x
  3. Step 3: Cross multiply
    56,445.17x = 84,608.49 × 18,992.25
  4. Step 4: Simplify right side
    56,445.17x = 1,606,905,594.20
  5. Step 5: Solve for x
    x = 1,606,905,594.20/56,445.17
  6. Step 6: Final answer
    x = 28,468.43

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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.