Home / 57,217.70-85,805.47-19,768.16

Finding the Fourth Proportional to 57,217.70, 85,805.47 and 19,768.16

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Solution

The fourth proportional to 57,217.70, 85,805.47 and 19,768.16 is: 29,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.70 : 85,805.47 = 19,768.16 : x
  2. Step 2: Convert to fraction form
    57,217.70/85,805.47 = 19,768.16/x
  3. Step 3: Cross multiply
    57,217.70x = 85,805.47 × 19,768.16
  4. Step 4: Simplify right side
    57,217.70x = 1,696,216,259.84
  5. Step 5: Solve for x
    x = 1,696,216,259.84/57,217.70
  6. Step 6: Final answer
    x = 29,644.96

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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.