Home / 55,737.55-83,606.10-20,190.56

Finding the Fourth Proportional to 55,737.55, 83,606.10 and 20,190.56

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Solution

The fourth proportional to 55,737.55, 83,606.10 and 20,190.56 is: 30,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,737.55 : 83,606.10 = 20,190.56 : x
  2. Step 2: Convert to fraction form
    55,737.55/83,606.10 = 20,190.56/x
  3. Step 3: Cross multiply
    55,737.55x = 83,606.10 × 20,190.56
  4. Step 4: Simplify right side
    55,737.55x = 1,688,053,978.42
  5. Step 5: Solve for x
    x = 1,688,053,978.42/55,737.55
  6. Step 6: Final answer
    x = 30,285.76

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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.