Home / 30,391.27-45,577.06-10,122.64

Finding the Fourth Proportional to 30,391.27, 45,577.06 and 10,122.64

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Solution

The fourth proportional to 30,391.27, 45,577.06 and 10,122.64 is: 15,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391.27 : 45,577.06 = 10,122.64 : x
  2. Step 2: Convert to fraction form
    30,391.27/45,577.06 = 10,122.64/x
  3. Step 3: Cross multiply
    30,391.27x = 45,577.06 × 10,122.64
  4. Step 4: Simplify right side
    30,391.27x = 461,360,031.39
  5. Step 5: Solve for x
    x = 461,360,031.39/30,391.27
  6. Step 6: Final answer
    x = 15,180.68

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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.