Home / 57,105.29-85,628.36-30,444.11

Finding the Fourth Proportional to 57,105.29, 85,628.36 and 30,444.11

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Solution

The fourth proportional to 57,105.29, 85,628.36 and 30,444.11 is: 45,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,105.29 : 85,628.36 = 30,444.11 : x
  2. Step 2: Convert to fraction form
    57,105.29/85,628.36 = 30,444.11/x
  3. Step 3: Cross multiply
    57,105.29x = 85,628.36 × 30,444.11
  4. Step 4: Simplify right side
    57,105.29x = 2,606,878,630.60
  5. Step 5: Solve for x
    x = 2,606,878,630.60/57,105.29
  6. Step 6: Final answer
    x = 45,650.39

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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.