Home / 29,419.35-40,597.77-15,990.66

Finding the Fourth Proportional to 29,419.35, 40,597.77 and 15,990.66

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Solution

The fourth proportional to 29,419.35, 40,597.77 and 15,990.66 is: 22,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.35 : 40,597.77 = 15,990.66 : x
  2. Step 2: Convert to fraction form
    29,419.35/40,597.77 = 15,990.66/x
  3. Step 3: Cross multiply
    29,419.35x = 40,597.77 × 15,990.66
  4. Step 4: Simplify right side
    29,419.35x = 649,185,136.83
  5. Step 5: Solve for x
    x = 649,185,136.83/29,419.35
  6. Step 6: Final answer
    x = 22,066.60

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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.