Home / 29,405.58-40,564.17-18,631.44

Finding the Fourth Proportional to 29,405.58, 40,564.17 and 18,631.44

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Solution

The fourth proportional to 29,405.58, 40,564.17 and 18,631.44 is: 25,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,405.58 : 40,564.17 = 18,631.44 : x
  2. Step 2: Convert to fraction form
    29,405.58/40,564.17 = 18,631.44/x
  3. Step 3: Cross multiply
    29,405.58x = 40,564.17 × 18,631.44
  4. Step 4: Simplify right side
    29,405.58x = 755,768,899.50
  5. Step 5: Solve for x
    x = 755,768,899.50/29,405.58
  6. Step 6: Final answer
    x = 25,701.55

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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.