Home / 30,610.61-45,921.28-10,884.53

Finding the Fourth Proportional to 30,610.61, 45,921.28 and 10,884.53

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Solution

The fourth proportional to 30,610.61, 45,921.28 and 10,884.53 is: 16,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610.61 : 45,921.28 = 10,884.53 : x
  2. Step 2: Convert to fraction form
    30,610.61/45,921.28 = 10,884.53/x
  3. Step 3: Cross multiply
    30,610.61x = 45,921.28 × 10,884.53
  4. Step 4: Simplify right side
    30,610.61x = 499,831,399.49
  5. Step 5: Solve for x
    x = 499,831,399.49/30,610.61
  6. Step 6: Final answer
    x = 16,328.70

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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.