Home / 44,109.66-66,165.57-12,945.90

Finding the Fourth Proportional to 44,109.66, 66,165.57 and 12,945.90

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Solution

The fourth proportional to 44,109.66, 66,165.57 and 12,945.90 is: 19,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,109.66 : 66,165.57 = 12,945.90 : x
  2. Step 2: Convert to fraction form
    44,109.66/66,165.57 = 12,945.90/x
  3. Step 3: Cross multiply
    44,109.66x = 66,165.57 × 12,945.90
  4. Step 4: Simplify right side
    44,109.66x = 856,572,852.66
  5. Step 5: Solve for x
    x = 856,572,852.66/44,109.66
  6. Step 6: Final answer
    x = 19,419.17

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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.