Home / 40,295.88-60,426-18,108.36

Finding the Fourth Proportional to 40,295.88, 60,426 and 18,108.36

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Solution

The fourth proportional to 40,295.88, 60,426 and 18,108.36 is: 27,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295.88 : 60,426 = 18,108.36 : x
  2. Step 2: Convert to fraction form
    40,295.88/60,426 = 18,108.36/x
  3. Step 3: Cross multiply
    40,295.88x = 60,426 × 18,108.36
  4. Step 4: Simplify right side
    40,295.88x = 1,094,215,761.36
  5. Step 5: Solve for x
    x = 1,094,215,761.36/40,295.88
  6. Step 6: Final answer
    x = 27,154.53

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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.