Home / 40,112.72-60,168.93-16,431.26

Finding the Fourth Proportional to 40,112.72, 60,168.93 and 16,431.26

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Solution

The fourth proportional to 40,112.72, 60,168.93 and 16,431.26 is: 24,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.72 : 60,168.93 = 16,431.26 : x
  2. Step 2: Convert to fraction form
    40,112.72/60,168.93 = 16,431.26/x
  3. Step 3: Cross multiply
    40,112.72x = 60,168.93 × 16,431.26
  4. Step 4: Simplify right side
    40,112.72x = 988,650,970.29
  5. Step 5: Solve for x
    x = 988,650,970.29/40,112.72
  6. Step 6: Final answer
    x = 24,646.82

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1.5x scale

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.