Home / 45,561.43-68,342.60-15,979.98

Finding the Fourth Proportional to 45,561.43, 68,342.60 and 15,979.98

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Solution

The fourth proportional to 45,561.43, 68,342.60 and 15,979.98 is: 23,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,561.43 : 68,342.60 = 15,979.98 : x
  2. Step 2: Convert to fraction form
    45,561.43/68,342.60 = 15,979.98/x
  3. Step 3: Cross multiply
    45,561.43x = 68,342.60 × 15,979.98
  4. Step 4: Simplify right side
    45,561.43x = 1,092,113,381.15
  5. Step 5: Solve for x
    x = 1,092,113,381.15/45,561.43
  6. Step 6: Final answer
    x = 23,970.13

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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.