Home / 38,353.38-52,927.60-21,359.11

Finding the Fourth Proportional to 38,353.38, 52,927.60 and 21,359.11

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Solution

The fourth proportional to 38,353.38, 52,927.60 and 21,359.11 is: 29,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,353.38 : 52,927.60 = 21,359.11 : x
  2. Step 2: Convert to fraction form
    38,353.38/52,927.60 = 21,359.11/x
  3. Step 3: Cross multiply
    38,353.38x = 52,927.60 × 21,359.11
  4. Step 4: Simplify right side
    38,353.38x = 1,130,486,430.44
  5. Step 5: Solve for x
    x = 1,130,486,430.44/38,353.38
  6. Step 6: Final answer
    x = 29,475.54

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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.