Home / 40,411.62-60,578.55-20,699.46

Finding the Fourth Proportional to 40,411.62, 60,578.55 and 20,699.46

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Solution

The fourth proportional to 40,411.62, 60,578.55 and 20,699.46 is: 31,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.62 : 60,578.55 = 20,699.46 : x
  2. Step 2: Convert to fraction form
    40,411.62/60,578.55 = 20,699.46/x
  3. Step 3: Cross multiply
    40,411.62x = 60,578.55 × 20,699.46
  4. Step 4: Simplify right side
    40,411.62x = 1,253,943,272.58
  5. Step 5: Solve for x
    x = 1,253,943,272.58/40,411.62
  6. Step 6: Final answer
    x = 31,029.28

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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.