Home / 50,666.40-76,003.92-13,231.44

Finding the Fourth Proportional to 50,666.40, 76,003.92 and 13,231.44

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Solution

The fourth proportional to 50,666.40, 76,003.92 and 13,231.44 is: 19,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.40 : 76,003.92 = 13,231.44 : x
  2. Step 2: Convert to fraction form
    50,666.40/76,003.92 = 13,231.44/x
  3. Step 3: Cross multiply
    50,666.40x = 76,003.92 × 13,231.44
  4. Step 4: Simplify right side
    50,666.40x = 1,005,641,307.24
  5. Step 5: Solve for x
    x = 1,005,641,307.24/50,666.40
  6. Step 6: Final answer
    x = 19,848.29

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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.