Home / 29,491.88-40,725.85-18,740.30

Finding the Fourth Proportional to 29,491.88, 40,725.85 and 18,740.30

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Solution

The fourth proportional to 29,491.88, 40,725.85 and 18,740.30 is: 25,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,491.88 : 40,725.85 = 18,740.30 : x
  2. Step 2: Convert to fraction form
    29,491.88/40,725.85 = 18,740.30/x
  3. Step 3: Cross multiply
    29,491.88x = 40,725.85 × 18,740.30
  4. Step 4: Simplify right side
    29,491.88x = 763,214,701.72
  5. Step 5: Solve for x
    x = 763,214,701.72/29,491.88
  6. Step 6: Final answer
    x = 25,878.81

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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.