Home / 30,201.27-45,302.36-10,480.46

Finding the Fourth Proportional to 30,201.27, 45,302.36 and 10,480.46

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Solution

The fourth proportional to 30,201.27, 45,302.36 and 10,480.46 is: 15,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.27 : 45,302.36 = 10,480.46 : x
  2. Step 2: Convert to fraction form
    30,201.27/45,302.36 = 10,480.46/x
  3. Step 3: Cross multiply
    30,201.27x = 45,302.36 × 10,480.46
  4. Step 4: Simplify right side
    30,201.27x = 474,789,292.97
  5. Step 5: Solve for x
    x = 474,789,292.97/30,201.27
  6. Step 6: Final answer
    x = 15,720.84

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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.