Home / 64,679.95-89,258.20-36,385.66

Finding the Fourth Proportional to 64,679.95, 89,258.20 and 36,385.66

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Solution

The fourth proportional to 64,679.95, 89,258.20 and 36,385.66 is: 50,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679.95 : 89,258.20 = 36,385.66 : x
  2. Step 2: Convert to fraction form
    64,679.95/89,258.20 = 36,385.66/x
  3. Step 3: Cross multiply
    64,679.95x = 89,258.20 × 36,385.66
  4. Step 4: Simplify right side
    64,679.95x = 3,247,718,517.41
  5. Step 5: Solve for x
    x = 3,247,718,517.41/64,679.95
  6. Step 6: Final answer
    x = 50,212.14

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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.