Home / 29,644.27-40,919.51-18,322.45

Finding the Fourth Proportional to 29,644.27, 40,919.51 and 18,322.45

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Solution

The fourth proportional to 29,644.27, 40,919.51 and 18,322.45 is: 25,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,644.27 : 40,919.51 = 18,322.45 : x
  2. Step 2: Convert to fraction form
    29,644.27/40,919.51 = 18,322.45/x
  3. Step 3: Cross multiply
    29,644.27x = 40,919.51 × 18,322.45
  4. Step 4: Simplify right side
    29,644.27x = 749,745,619.51
  5. Step 5: Solve for x
    x = 749,745,619.51/29,644.27
  6. Step 6: Final answer
    x = 25,291.42

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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.