Home / 55,861.29-83,765.59-20,297.53

Finding the Fourth Proportional to 55,861.29, 83,765.59 and 20,297.53

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Solution

The fourth proportional to 55,861.29, 83,765.59 and 20,297.53 is: 30,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,861.29 : 83,765.59 = 20,297.53 : x
  2. Step 2: Convert to fraction form
    55,861.29/83,765.59 = 20,297.53/x
  3. Step 3: Cross multiply
    55,861.29x = 83,765.59 × 20,297.53
  4. Step 4: Simplify right side
    55,861.29x = 1,700,234,575.99
  5. Step 5: Solve for x
    x = 1,700,234,575.99/55,861.29
  6. Step 6: Final answer
    x = 30,436.72

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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.