Home / 50,991.33-76,475.45-19,390.13

Finding the Fourth Proportional to 50,991.33, 76,475.45 and 19,390.13

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Solution

The fourth proportional to 50,991.33, 76,475.45 and 19,390.13 is: 29,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.33 : 76,475.45 = 19,390.13 : x
  2. Step 2: Convert to fraction form
    50,991.33/76,475.45 = 19,390.13/x
  3. Step 3: Cross multiply
    50,991.33x = 76,475.45 × 19,390.13
  4. Step 4: Simplify right side
    50,991.33x = 1,482,868,437.98
  5. Step 5: Solve for x
    x = 1,482,868,437.98/50,991.33
  6. Step 6: Final answer
    x = 29,080.80

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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.