Home / 50,923.08-76,402.44-19,780.20

Finding the Fourth Proportional to 50,923.08, 76,402.44 and 19,780.20

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Solution

The fourth proportional to 50,923.08, 76,402.44 and 19,780.20 is: 29,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,923.08 : 76,402.44 = 19,780.20 : x
  2. Step 2: Convert to fraction form
    50,923.08/76,402.44 = 19,780.20/x
  3. Step 3: Cross multiply
    50,923.08x = 76,402.44 × 19,780.20
  4. Step 4: Simplify right side
    50,923.08x = 1,511,255,543.69
  5. Step 5: Solve for x
    x = 1,511,255,543.69/50,923.08
  6. Step 6: Final answer
    x = 29,677.22

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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.