Home / 30,097.22-45,151.86-20,741.72

Finding the Fourth Proportional to 30,097.22, 45,151.86 and 20,741.72

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Solution

The fourth proportional to 30,097.22, 45,151.86 and 20,741.72 is: 31,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097.22 : 45,151.86 = 20,741.72 : x
  2. Step 2: Convert to fraction form
    30,097.22/45,151.86 = 20,741.72/x
  3. Step 3: Cross multiply
    30,097.22x = 45,151.86 × 20,741.72
  4. Step 4: Simplify right side
    30,097.22x = 936,527,237.60
  5. Step 5: Solve for x
    x = 936,527,237.60/30,097.22
  6. Step 6: Final answer
    x = 31,116.74

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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.