Home / 50,684.94-75,839.09-31,877.15

Finding the Fourth Proportional to 50,684.94, 75,839.09 and 31,877.15

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Solution

The fourth proportional to 50,684.94, 75,839.09 and 31,877.15 is: 47,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,684.94 : 75,839.09 = 31,877.15 : x
  2. Step 2: Convert to fraction form
    50,684.94/75,839.09 = 31,877.15/x
  3. Step 3: Cross multiply
    50,684.94x = 75,839.09 × 31,877.15
  4. Step 4: Simplify right side
    50,684.94x = 2,417,533,509.21
  5. Step 5: Solve for x
    x = 2,417,533,509.21/50,684.94
  6. Step 6: Final answer
    x = 47,697.27

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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.