Home / 29,271.58-40,367.36-19,431.42

Finding the Fourth Proportional to 29,271.58, 40,367.36 and 19,431.42

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Solution

The fourth proportional to 29,271.58, 40,367.36 and 19,431.42 is: 26,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.58 : 40,367.36 = 19,431.42 : x
  2. Step 2: Convert to fraction form
    29,271.58/40,367.36 = 19,431.42/x
  3. Step 3: Cross multiply
    29,271.58x = 40,367.36 × 19,431.42
  4. Step 4: Simplify right side
    29,271.58x = 784,395,126.45
  5. Step 5: Solve for x
    x = 784,395,126.45/29,271.58
  6. Step 6: Final answer
    x = 26,797.16

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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.