Home / 50,136.05-75,153.47-31,429.23

Finding the Fourth Proportional to 50,136.05, 75,153.47 and 31,429.23

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Solution

The fourth proportional to 50,136.05, 75,153.47 and 31,429.23 is: 47,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.05 : 75,153.47 = 31,429.23 : x
  2. Step 2: Convert to fraction form
    50,136.05/75,153.47 = 31,429.23/x
  3. Step 3: Cross multiply
    50,136.05x = 75,153.47 × 31,429.23
  4. Step 4: Simplify right side
    50,136.05x = 2,362,015,874.66
  5. Step 5: Solve for x
    x = 2,362,015,874.66/50,136.05
  6. Step 6: Final answer
    x = 47,112.12

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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.