Home / 44,112.40-66,123.44-19,131.39

Finding the Fourth Proportional to 44,112.40, 66,123.44 and 19,131.39

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Solution

The fourth proportional to 44,112.40, 66,123.44 and 19,131.39 is: 28,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,112.40 : 66,123.44 = 19,131.39 : x
  2. Step 2: Convert to fraction form
    44,112.40/66,123.44 = 19,131.39/x
  3. Step 3: Cross multiply
    44,112.40x = 66,123.44 × 19,131.39
  4. Step 4: Simplify right side
    44,112.40x = 1,265,033,294.87
  5. Step 5: Solve for x
    x = 1,265,033,294.87/44,112.40
  6. Step 6: Final answer
    x = 28,677.50

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1.5x scale

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.