Home / 29,649.53-40,891.99-21,148.93

Finding the Fourth Proportional to 29,649.53, 40,891.99 and 21,148.93

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Solution

The fourth proportional to 29,649.53, 40,891.99 and 21,148.93 is: 29,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,649.53 : 40,891.99 = 21,148.93 : x
  2. Step 2: Convert to fraction form
    29,649.53/40,891.99 = 21,148.93/x
  3. Step 3: Cross multiply
    29,649.53x = 40,891.99 × 21,148.93
  4. Step 4: Simplify right side
    29,649.53x = 864,821,871.97
  5. Step 5: Solve for x
    x = 864,821,871.97/29,649.53
  6. Step 6: Final answer
    x = 29,168.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.