Home / 30,062.30-45,099.60-10,338.30

Finding the Fourth Proportional to 30,062.30, 45,099.60 and 10,338.30

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Solution

The fourth proportional to 30,062.30, 45,099.60 and 10,338.30 is: 15,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062.30 : 45,099.60 = 10,338.30 : x
  2. Step 2: Convert to fraction form
    30,062.30/45,099.60 = 10,338.30/x
  3. Step 3: Cross multiply
    30,062.30x = 45,099.60 × 10,338.30
  4. Step 4: Simplify right side
    30,062.30x = 466,253,194.68
  5. Step 5: Solve for x
    x = 466,253,194.68/30,062.30
  6. Step 6: Final answer
    x = 15,509.57

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1.5x scale

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.