Home / 61,074.20-91,622.22-31,484.06

Finding the Fourth Proportional to 61,074.20, 91,622.22 and 31,484.06

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Solution

The fourth proportional to 61,074.20, 91,622.22 and 31,484.06 is: 47,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,074.20 : 91,622.22 = 31,484.06 : x
  2. Step 2: Convert to fraction form
    61,074.20/91,622.22 = 31,484.06/x
  3. Step 3: Cross multiply
    61,074.20x = 91,622.22 × 31,484.06
  4. Step 4: Simplify right side
    61,074.20x = 2,884,639,471.81
  5. Step 5: Solve for x
    x = 2,884,639,471.81/61,074.20
  6. Step 6: Final answer
    x = 47,231.72

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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.