Home / 57,764.66-86,646.30-18,322.11

Finding the Fourth Proportional to 57,764.66, 86,646.30 and 18,322.11

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Solution

The fourth proportional to 57,764.66, 86,646.30 and 18,322.11 is: 27,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.66 : 86,646.30 = 18,322.11 : x
  2. Step 2: Convert to fraction form
    57,764.66/86,646.30 = 18,322.11/x
  3. Step 3: Cross multiply
    57,764.66x = 86,646.30 × 18,322.11
  4. Step 4: Simplify right side
    57,764.66x = 1,587,543,039.69
  5. Step 5: Solve for x
    x = 1,587,543,039.69/57,764.66
  6. Step 6: Final answer
    x = 27,482.95

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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.