Home / 52,129.53-71,881.70-38,725.65

Finding the Fourth Proportional to 52,129.53, 71,881.70 and 38,725.65

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Solution

The fourth proportional to 52,129.53, 71,881.70 and 38,725.65 is: 53,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.53 : 71,881.70 = 38,725.65 : x
  2. Step 2: Convert to fraction form
    52,129.53/71,881.70 = 38,725.65/x
  3. Step 3: Cross multiply
    52,129.53x = 71,881.70 × 38,725.65
  4. Step 4: Simplify right side
    52,129.53x = 2,783,665,361.98
  5. Step 5: Solve for x
    x = 2,783,665,361.98/52,129.53
  6. Step 6: Final answer
    x = 53,399.01

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1.5x scale

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.