Home / 55,285.40-82,933.47-21,997.67

Finding the Fourth Proportional to 55,285.40, 82,933.47 and 21,997.67

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Solution

The fourth proportional to 55,285.40, 82,933.47 and 21,997.67 is: 32,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,285.40 : 82,933.47 = 21,997.67 : x
  2. Step 2: Convert to fraction form
    55,285.40/82,933.47 = 21,997.67/x
  3. Step 3: Cross multiply
    55,285.40x = 82,933.47 × 21,997.67
  4. Step 4: Simplify right side
    55,285.40x = 1,824,343,596.55
  5. Step 5: Solve for x
    x = 1,824,343,596.55/55,285.40
  6. Step 6: Final answer
    x = 32,998.65

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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.