Home / 55,378.17-83,110.98-20,327.85

Finding the Fourth Proportional to 55,378.17, 83,110.98 and 20,327.85

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Solution

The fourth proportional to 55,378.17, 83,110.98 and 20,327.85 is: 30,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378.17 : 83,110.98 = 20,327.85 : x
  2. Step 2: Convert to fraction form
    55,378.17/83,110.98 = 20,327.85/x
  3. Step 3: Cross multiply
    55,378.17x = 83,110.98 × 20,327.85
  4. Step 4: Simplify right side
    55,378.17x = 1,689,467,534.79
  5. Step 5: Solve for x
    x = 1,689,467,534.79/55,378.17
  6. Step 6: Final answer
    x = 30,507.83

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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.