Home / 30,616.92-45,904.80-10,884.60

Finding the Fourth Proportional to 30,616.92, 45,904.80 and 10,884.60

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Solution

The fourth proportional to 30,616.92, 45,904.80 and 10,884.60 is: 16,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616.92 : 45,904.80 = 10,884.60 : x
  2. Step 2: Convert to fraction form
    30,616.92/45,904.80 = 10,884.60/x
  3. Step 3: Cross multiply
    30,616.92x = 45,904.80 × 10,884.60
  4. Step 4: Simplify right side
    30,616.92x = 499,655,386.08
  5. Step 5: Solve for x
    x = 499,655,386.08/30,616.92
  6. Step 6: Final answer
    x = 16,319.58

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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.