Home / 67,105.80-92,608.40-38,430.59

Finding the Fourth Proportional to 67,105.80, 92,608.40 and 38,430.59

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Solution

The fourth proportional to 67,105.80, 92,608.40 and 38,430.59 is: 53,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,105.80 : 92,608.40 = 38,430.59 : x
  2. Step 2: Convert to fraction form
    67,105.80/92,608.40 = 38,430.59/x
  3. Step 3: Cross multiply
    67,105.80x = 92,608.40 × 38,430.59
  4. Step 4: Simplify right side
    67,105.80x = 3,558,995,450.96
  5. Step 5: Solve for x
    x = 3,558,995,450.96/67,105.80
  6. Step 6: Final answer
    x = 53,035.59

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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.