Home / 43,277.10-64,867.05-18,312.90

Finding the Fourth Proportional to 43,277.10, 64,867.05 and 18,312.90

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Solution

The fourth proportional to 43,277.10, 64,867.05 and 18,312.90 is: 27,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,277.10 : 64,867.05 = 18,312.90 : x
  2. Step 2: Convert to fraction form
    43,277.10/64,867.05 = 18,312.90/x
  3. Step 3: Cross multiply
    43,277.10x = 64,867.05 × 18,312.90
  4. Step 4: Simplify right side
    43,277.10x = 1,187,903,799.95
  5. Step 5: Solve for x
    x = 1,187,903,799.95/43,277.10
  6. Step 6: Final answer
    x = 27,448.78

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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.