Home / 31,406.24-43,338.10-17,974.42

Finding the Fourth Proportional to 31,406.24, 43,338.10 and 17,974.42

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Solution

The fourth proportional to 31,406.24, 43,338.10 and 17,974.42 is: 24,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406.24 : 43,338.10 = 17,974.42 : x
  2. Step 2: Convert to fraction form
    31,406.24/43,338.10 = 17,974.42/x
  3. Step 3: Cross multiply
    31,406.24x = 43,338.10 × 17,974.42
  4. Step 4: Simplify right side
    31,406.24x = 778,977,211.40
  5. Step 5: Solve for x
    x = 778,977,211.40/31,406.24
  6. Step 6: Final answer
    x = 24,803.26

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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.