Home / 67,708.56-93,438.78-39,012.39

Finding the Fourth Proportional to 67,708.56, 93,438.78 and 39,012.39

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Solution

The fourth proportional to 67,708.56, 93,438.78 and 39,012.39 is: 53,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,708.56 : 93,438.78 = 39,012.39 : x
  2. Step 2: Convert to fraction form
    67,708.56/93,438.78 = 39,012.39/x
  3. Step 3: Cross multiply
    67,708.56x = 93,438.78 × 39,012.39
  4. Step 4: Simplify right side
    67,708.56x = 3,645,270,126.48
  5. Step 5: Solve for x
    x = 3,645,270,126.48/67,708.56
  6. Step 6: Final answer
    x = 53,837.66

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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.