Home / 64,718.13-89,290.17-36,418.35

Finding the Fourth Proportional to 64,718.13, 89,290.17 and 36,418.35

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Solution

The fourth proportional to 64,718.13, 89,290.17 and 36,418.35 is: 50,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.13 : 89,290.17 = 36,418.35 : x
  2. Step 2: Convert to fraction form
    64,718.13/89,290.17 = 36,418.35/x
  3. Step 3: Cross multiply
    64,718.13x = 89,290.17 × 36,418.35
  4. Step 4: Simplify right side
    64,718.13x = 3,251,800,662.62
  5. Step 5: Solve for x
    x = 3,251,800,662.62/64,718.13
  6. Step 6: Final answer
    x = 50,245.59

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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.