Home / 61,722.17-85,213.30-39,080.57

Finding the Fourth Proportional to 61,722.17, 85,213.30 and 39,080.57

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Solution

The fourth proportional to 61,722.17, 85,213.30 and 39,080.57 is: 53,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,722.17 : 85,213.30 = 39,080.57 : x
  2. Step 2: Convert to fraction form
    61,722.17/85,213.30 = 39,080.57/x
  3. Step 3: Cross multiply
    61,722.17x = 85,213.30 × 39,080.57
  4. Step 4: Simplify right side
    61,722.17x = 3,330,183,811.81
  5. Step 5: Solve for x
    x = 3,330,183,811.81/61,722.17
  6. Step 6: Final answer
    x = 53,954.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.