Home / 34,422.30-47,491.11-21,854.34

Finding the Fourth Proportional to 34,422.30, 47,491.11 and 21,854.34

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Solution

The fourth proportional to 34,422.30, 47,491.11 and 21,854.34 is: 30,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,422.30 : 47,491.11 = 21,854.34 : x
  2. Step 2: Convert to fraction form
    34,422.30/47,491.11 = 21,854.34/x
  3. Step 3: Cross multiply
    34,422.30x = 47,491.11 × 21,854.34
  4. Step 4: Simplify right side
    34,422.30x = 1,037,886,864.92
  5. Step 5: Solve for x
    x = 1,037,886,864.92/34,422.30
  6. Step 6: Final answer
    x = 30,151.58

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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.