Home / 51,741.46-77,597.20-20,144.48

Finding the Fourth Proportional to 51,741.46, 77,597.20 and 20,144.48

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Solution

The fourth proportional to 51,741.46, 77,597.20 and 20,144.48 is: 30,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,741.46 : 77,597.20 = 20,144.48 : x
  2. Step 2: Convert to fraction form
    51,741.46/77,597.20 = 20,144.48/x
  3. Step 3: Cross multiply
    51,741.46x = 77,597.20 × 20,144.48
  4. Step 4: Simplify right side
    51,741.46x = 1,563,154,880.65
  5. Step 5: Solve for x
    x = 1,563,154,880.65/51,741.46
  6. Step 6: Final answer
    x = 30,210.88

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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.