Home / 31,406.12-43,378.82-23,483.56

Finding the Fourth Proportional to 31,406.12, 43,378.82 and 23,483.56

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Solution

The fourth proportional to 31,406.12, 43,378.82 and 23,483.56 is: 32,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406.12 : 43,378.82 = 23,483.56 : x
  2. Step 2: Convert to fraction form
    31,406.12/43,378.82 = 23,483.56/x
  3. Step 3: Cross multiply
    31,406.12x = 43,378.82 × 23,483.56
  4. Step 4: Simplify right side
    31,406.12x = 1,018,689,122.20
  5. Step 5: Solve for x
    x = 1,018,689,122.20/31,406.12
  6. Step 6: Final answer
    x = 32,436.01

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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.