Home / 51,421.49-77,007.72-35,582.12

Finding the Fourth Proportional to 51,421.49, 77,007.72 and 35,582.12

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Solution

The fourth proportional to 51,421.49, 77,007.72 and 35,582.12 is: 53,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421.49 : 77,007.72 = 35,582.12 : x
  2. Step 2: Convert to fraction form
    51,421.49/77,007.72 = 35,582.12/x
  3. Step 3: Cross multiply
    51,421.49x = 77,007.72 × 35,582.12
  4. Step 4: Simplify right side
    51,421.49x = 2,740,097,933.97
  5. Step 5: Solve for x
    x = 2,740,097,933.97/51,421.49
  6. Step 6: Final answer
    x = 53,287.02

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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.