Home / 44,282.52-66,424.32-13,118.40

Finding the Fourth Proportional to 44,282.52, 66,424.32 and 13,118.40

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Solution

The fourth proportional to 44,282.52, 66,424.32 and 13,118.40 is: 19,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,282.52 : 66,424.32 = 13,118.40 : x
  2. Step 2: Convert to fraction form
    44,282.52/66,424.32 = 13,118.40/x
  3. Step 3: Cross multiply
    44,282.52x = 66,424.32 × 13,118.40
  4. Step 4: Simplify right side
    44,282.52x = 871,380,799.49
  5. Step 5: Solve for x
    x = 871,380,799.49/44,282.52
  6. Step 6: Final answer
    x = 19,677.76

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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.