Home / 38,483.38-57,719.49-10,405.07

Finding the Fourth Proportional to 38,483.38, 57,719.49 and 10,405.07

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Solution

The fourth proportional to 38,483.38, 57,719.49 and 10,405.07 is: 15,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.38 : 57,719.49 = 10,405.07 : x
  2. Step 2: Convert to fraction form
    38,483.38/57,719.49 = 10,405.07/x
  3. Step 3: Cross multiply
    38,483.38x = 57,719.49 × 10,405.07
  4. Step 4: Simplify right side
    38,483.38x = 600,575,333.81
  5. Step 5: Solve for x
    x = 600,575,333.81/38,483.38
  6. Step 6: Final answer
    x = 15,606.10

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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.