Home / 67,024.10-100,535.80-31,485.23

Finding the Fourth Proportional to 67,024.10, 100,535.80 and 31,485.23

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Solution

The fourth proportional to 67,024.10, 100,535.80 and 31,485.23 is: 47,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,024.10 : 100,535.80 = 31,485.23 : x
  2. Step 2: Convert to fraction form
    67,024.10/100,535.80 = 31,485.23/x
  3. Step 3: Cross multiply
    67,024.10x = 100,535.80 × 31,485.23
  4. Step 4: Simplify right side
    67,024.10x = 3,165,392,786.23
  5. Step 5: Solve for x
    x = 3,165,392,786.23/67,024.10
  6. Step 6: Final answer
    x = 47,227.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.