Home / 66,650.04-99,965.34-22,275.81

Finding the Fourth Proportional to 66,650.04, 99,965.34 and 22,275.81

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Solution

The fourth proportional to 66,650.04, 99,965.34 and 22,275.81 is: 33,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,650.04 : 99,965.34 = 22,275.81 : x
  2. Step 2: Convert to fraction form
    66,650.04/99,965.34 = 22,275.81/x
  3. Step 3: Cross multiply
    66,650.04x = 99,965.34 × 22,275.81
  4. Step 4: Simplify right side
    66,650.04x = 2,226,808,920.43
  5. Step 5: Solve for x
    x = 2,226,808,920.43/66,650.04
  6. Step 6: Final answer
    x = 33,410.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.