Home / 44,123.82-66,190.59-12,961.50

Finding the Fourth Proportional to 44,123.82, 66,190.59 and 12,961.50

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Solution

The fourth proportional to 44,123.82, 66,190.59 and 12,961.50 is: 19,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,123.82 : 66,190.59 = 12,961.50 : x
  2. Step 2: Convert to fraction form
    44,123.82/66,190.59 = 12,961.50/x
  3. Step 3: Cross multiply
    44,123.82x = 66,190.59 × 12,961.50
  4. Step 4: Simplify right side
    44,123.82x = 857,929,332.29
  5. Step 5: Solve for x
    x = 857,929,332.29/44,123.82
  6. Step 6: Final answer
    x = 19,443.68

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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.