Home / 57,025.03-85,508.34-30,386.20

Finding the Fourth Proportional to 57,025.03, 85,508.34 and 30,386.20

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Solution

The fourth proportional to 57,025.03, 85,508.34 and 30,386.20 is: 45,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,025.03 : 85,508.34 = 30,386.20 : x
  2. Step 2: Convert to fraction form
    57,025.03/85,508.34 = 30,386.20/x
  3. Step 3: Cross multiply
    57,025.03x = 85,508.34 × 30,386.20
  4. Step 4: Simplify right side
    57,025.03x = 2,598,273,520.91
  5. Step 5: Solve for x
    x = 2,598,273,520.91/57,025.03
  6. Step 6: Final answer
    x = 45,563.74

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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.