Home / 50,828.68-70,145.80-28,167.62

Finding the Fourth Proportional to 50,828.68, 70,145.80 and 28,167.62

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Solution

The fourth proportional to 50,828.68, 70,145.80 and 28,167.62 is: 38,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,828.68 : 70,145.80 = 28,167.62 : x
  2. Step 2: Convert to fraction form
    50,828.68/70,145.80 = 28,167.62/x
  3. Step 3: Cross multiply
    50,828.68x = 70,145.80 × 28,167.62
  4. Step 4: Simplify right side
    50,828.68x = 1,975,840,239.00
  5. Step 5: Solve for x
    x = 1,975,840,239.00/50,828.68
  6. Step 6: Final answer
    x = 38,872.55

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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.