Home / 51,975.30-77,857.70-40,829.80

Finding the Fourth Proportional to 51,975.30, 77,857.70 and 40,829.80

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Solution

The fourth proportional to 51,975.30, 77,857.70 and 40,829.80 is: 61,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.30 : 77,857.70 = 40,829.80 : x
  2. Step 2: Convert to fraction form
    51,975.30/77,857.70 = 40,829.80/x
  3. Step 3: Cross multiply
    51,975.30x = 77,857.70 × 40,829.80
  4. Step 4: Simplify right side
    51,975.30x = 3,178,914,319.46
  5. Step 5: Solve for x
    x = 3,178,914,319.46/51,975.30
  6. Step 6: Final answer
    x = 61,162.02

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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.