Home / 38,090.02-57,134.43-10,388.02

Finding the Fourth Proportional to 38,090.02, 57,134.43 and 10,388.02

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Solution

The fourth proportional to 38,090.02, 57,134.43 and 10,388.02 is: 15,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,090.02 : 57,134.43 = 10,388.02 : x
  2. Step 2: Convert to fraction form
    38,090.02/57,134.43 = 10,388.02/x
  3. Step 3: Cross multiply
    38,090.02x = 57,134.43 × 10,388.02
  4. Step 4: Simplify right side
    38,090.02x = 593,513,601.53
  5. Step 5: Solve for x
    x = 593,513,601.53/38,090.02
  6. Step 6: Final answer
    x = 15,581.87

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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.