Home / 53,287.36-79,930.90-50,039.53

Finding the Fourth Proportional to 53,287.36, 79,930.90 and 50,039.53

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Solution

The fourth proportional to 53,287.36, 79,930.90 and 50,039.53 is: 75,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,287.36 : 79,930.90 = 50,039.53 : x
  2. Step 2: Convert to fraction form
    53,287.36/79,930.90 = 50,039.53/x
  3. Step 3: Cross multiply
    53,287.36x = 79,930.90 × 50,039.53
  4. Step 4: Simplify right side
    53,287.36x = 3,999,704,668.48
  5. Step 5: Solve for x
    x = 3,999,704,668.48/53,287.36
  6. Step 6: Final answer
    x = 75,059.16

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1.5x scale

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.