Home / 40,351.40-60,536.84-12,649.40

Finding the Fourth Proportional to 40,351.40, 60,536.84 and 12,649.40

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Solution

The fourth proportional to 40,351.40, 60,536.84 and 12,649.40 is: 18,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,351.40 : 60,536.84 = 12,649.40 : x
  2. Step 2: Convert to fraction form
    40,351.40/60,536.84 = 12,649.40/x
  3. Step 3: Cross multiply
    40,351.40x = 60,536.84 × 12,649.40
  4. Step 4: Simplify right side
    40,351.40x = 765,754,703.90
  5. Step 5: Solve for x
    x = 765,754,703.90/40,351.40
  6. Step 6: Final answer
    x = 18,977.15

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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.