Home / 29,193.45-40,271.68-18,434.42

Finding the Fourth Proportional to 29,193.45, 40,271.68 and 18,434.42

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Solution

The fourth proportional to 29,193.45, 40,271.68 and 18,434.42 is: 25,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,193.45 : 40,271.68 = 18,434.42 : x
  2. Step 2: Convert to fraction form
    29,193.45/40,271.68 = 18,434.42/x
  3. Step 3: Cross multiply
    29,193.45x = 40,271.68 × 18,434.42
  4. Step 4: Simplify right side
    29,193.45x = 742,385,035.93
  5. Step 5: Solve for x
    x = 742,385,035.93/29,193.45
  6. Step 6: Final answer
    x = 25,429.85

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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.