Home / 29,358.21-40,536.51-18,043.32

Finding the Fourth Proportional to 29,358.21, 40,536.51 and 18,043.32

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Solution

The fourth proportional to 29,358.21, 40,536.51 and 18,043.32 is: 24,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,358.21 : 40,536.51 = 18,043.32 : x
  2. Step 2: Convert to fraction form
    29,358.21/40,536.51 = 18,043.32/x
  3. Step 3: Cross multiply
    29,358.21x = 40,536.51 × 18,043.32
  4. Step 4: Simplify right side
    29,358.21x = 731,413,221.61
  5. Step 5: Solve for x
    x = 731,413,221.61/29,358.21
  6. Step 6: Final answer
    x = 24,913.41

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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.