Home / 30,164.16-45,231.60-13,523.52

Finding the Fourth Proportional to 30,164.16, 45,231.60 and 13,523.52

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Solution

The fourth proportional to 30,164.16, 45,231.60 and 13,523.52 is: 20,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.16 : 45,231.60 = 13,523.52 : x
  2. Step 2: Convert to fraction form
    30,164.16/45,231.60 = 13,523.52/x
  3. Step 3: Cross multiply
    30,164.16x = 45,231.60 × 13,523.52
  4. Step 4: Simplify right side
    30,164.16x = 611,690,447.23
  5. Step 5: Solve for x
    x = 611,690,447.23/30,164.16
  6. Step 6: Final answer
    x = 20,278.72

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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.