Home / 50,208.59-69,287.27-28,987.40

Finding the Fourth Proportional to 50,208.59, 69,287.27 and 28,987.40

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Solution

The fourth proportional to 50,208.59, 69,287.27 and 28,987.40 is: 40,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,208.59 : 69,287.27 = 28,987.40 : x
  2. Step 2: Convert to fraction form
    50,208.59/69,287.27 = 28,987.40/x
  3. Step 3: Cross multiply
    50,208.59x = 69,287.27 × 28,987.40
  4. Step 4: Simplify right side
    50,208.59x = 2,008,457,319.02
  5. Step 5: Solve for x
    x = 2,008,457,319.02/50,208.59
  6. Step 6: Final answer
    x = 40,002.27

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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.