Home / 64,949.40-89,631.36-36,649.62

Finding the Fourth Proportional to 64,949.40, 89,631.36 and 36,649.62

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Solution

The fourth proportional to 64,949.40, 89,631.36 and 36,649.62 is: 50,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,949.40 : 89,631.36 = 36,649.62 : x
  2. Step 2: Convert to fraction form
    64,949.40/89,631.36 = 36,649.62/x
  3. Step 3: Cross multiply
    64,949.40x = 89,631.36 × 36,649.62
  4. Step 4: Simplify right side
    64,949.40x = 3,284,955,284.08
  5. Step 5: Solve for x
    x = 3,284,955,284.08/64,949.40
  6. Step 6: Final answer
    x = 50,577.15

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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.