Home / 40,625.45-60,931.99-15,661.86

Finding the Fourth Proportional to 40,625.45, 60,931.99 and 15,661.86

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Solution

The fourth proportional to 40,625.45, 60,931.99 and 15,661.86 is: 23,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,625.45 : 60,931.99 = 15,661.86 : x
  2. Step 2: Convert to fraction form
    40,625.45/60,931.99 = 15,661.86/x
  3. Step 3: Cross multiply
    40,625.45x = 60,931.99 × 15,661.86
  4. Step 4: Simplify right side
    40,625.45x = 954,308,296.90
  5. Step 5: Solve for x
    x = 954,308,296.90/40,625.45
  6. Step 6: Final answer
    x = 23,490.41

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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.