Home / 51,622.04-71,229.78-30,405.53

Finding the Fourth Proportional to 51,622.04, 71,229.78 and 30,405.53

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Solution

The fourth proportional to 51,622.04, 71,229.78 and 30,405.53 is: 41,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622.04 : 71,229.78 = 30,405.53 : x
  2. Step 2: Convert to fraction form
    51,622.04/71,229.78 = 30,405.53/x
  3. Step 3: Cross multiply
    51,622.04x = 71,229.78 × 30,405.53
  4. Step 4: Simplify right side
    51,622.04x = 2,165,779,212.68
  5. Step 5: Solve for x
    x = 2,165,779,212.68/51,622.04
  6. Step 6: Final answer
    x = 41,954.55

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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.