Home / 29,678.13-40,955.85-16,249.47

Finding the Fourth Proportional to 29,678.13, 40,955.85 and 16,249.47

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Solution

The fourth proportional to 29,678.13, 40,955.85 and 16,249.47 is: 22,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,678.13 : 40,955.85 = 16,249.47 : x
  2. Step 2: Convert to fraction form
    29,678.13/40,955.85 = 16,249.47/x
  3. Step 3: Cross multiply
    29,678.13x = 40,955.85 × 16,249.47
  4. Step 4: Simplify right side
    29,678.13x = 665,510,855.90
  5. Step 5: Solve for x
    x = 665,510,855.90/29,678.13
  6. Step 6: Final answer
    x = 22,424.29

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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.