Home / 38,421.02-57,631.26-10,719.02

Finding the Fourth Proportional to 38,421.02, 57,631.26 and 10,719.02

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Solution

The fourth proportional to 38,421.02, 57,631.26 and 10,719.02 is: 16,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.02 : 57,631.26 = 10,719.02 : x
  2. Step 2: Convert to fraction form
    38,421.02/57,631.26 = 10,719.02/x
  3. Step 3: Cross multiply
    38,421.02x = 57,631.26 × 10,719.02
  4. Step 4: Simplify right side
    38,421.02x = 617,750,628.57
  5. Step 5: Solve for x
    x = 617,750,628.57/38,421.02
  6. Step 6: Final answer
    x = 16,078.45

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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.