Home / 67,588.97-93,258.34-39,279.47

Finding the Fourth Proportional to 67,588.97, 93,258.34 and 39,279.47

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Solution

The fourth proportional to 67,588.97, 93,258.34 and 39,279.47 is: 54,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,588.97 : 93,258.34 = 39,279.47 : x
  2. Step 2: Convert to fraction form
    67,588.97/93,258.34 = 39,279.47/x
  3. Step 3: Cross multiply
    67,588.97x = 93,258.34 × 39,279.47
  4. Step 4: Simplify right side
    67,588.97x = 3,663,137,603.79
  5. Step 5: Solve for x
    x = 3,663,137,603.79/67,588.97
  6. Step 6: Final answer
    x = 54,197.27

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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.