Home / 38,330.60-52,896.14-21,563.60

Finding the Fourth Proportional to 38,330.60, 52,896.14 and 21,563.60

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Solution

The fourth proportional to 38,330.60, 52,896.14 and 21,563.60 is: 29,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.60 : 52,896.14 = 21,563.60 : x
  2. Step 2: Convert to fraction form
    38,330.60/52,896.14 = 21,563.60/x
  3. Step 3: Cross multiply
    38,330.60x = 52,896.14 × 21,563.60
  4. Step 4: Simplify right side
    38,330.60x = 1,140,631,204.50
  5. Step 5: Solve for x
    x = 1,140,631,204.50/38,330.60
  6. Step 6: Final answer
    x = 29,757.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.