Home / 29,035.99-40,087.14-18,981.26

Finding the Fourth Proportional to 29,035.99, 40,087.14 and 18,981.26

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Solution

The fourth proportional to 29,035.99, 40,087.14 and 18,981.26 is: 26,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,035.99 : 40,087.14 = 18,981.26 : x
  2. Step 2: Convert to fraction form
    29,035.99/40,087.14 = 18,981.26/x
  3. Step 3: Cross multiply
    29,035.99x = 40,087.14 × 18,981.26
  4. Step 4: Simplify right side
    29,035.99x = 760,904,498.53
  5. Step 5: Solve for x
    x = 760,904,498.53/29,035.99
  6. Step 6: Final answer
    x = 26,205.56

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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.