Home / 50,109.86-75,165.69-18,087.63

Finding the Fourth Proportional to 50,109.86, 75,165.69 and 18,087.63

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Solution

The fourth proportional to 50,109.86, 75,165.69 and 18,087.63 is: 27,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,109.86 : 75,165.69 = 18,087.63 : x
  2. Step 2: Convert to fraction form
    50,109.86/75,165.69 = 18,087.63/x
  3. Step 3: Cross multiply
    50,109.86x = 75,165.69 × 18,087.63
  4. Step 4: Simplify right side
    50,109.86x = 1,359,569,189.41
  5. Step 5: Solve for x
    x = 1,359,569,189.41/50,109.86
  6. Step 6: Final answer
    x = 27,131.77

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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.