Home / 67,865.20-93,635.06-40,630

Finding the Fourth Proportional to 67,865.20, 93,635.06 and 40,630

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Solution

The fourth proportional to 67,865.20, 93,635.06 and 40,630 is: 56,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,865.20 : 93,635.06 = 40,630 : x
  2. Step 2: Convert to fraction form
    67,865.20/93,635.06 = 40,630/x
  3. Step 3: Cross multiply
    67,865.20x = 93,635.06 × 40,630
  4. Step 4: Simplify right side
    67,865.20x = 3,804,392,487.80
  5. Step 5: Solve for x
    x = 3,804,392,487.80/67,865.20
  6. Step 6: Final answer
    x = 56,058.08

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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.