Home / 50,780.53-70,081.43-28,125.03

Finding the Fourth Proportional to 50,780.53, 70,081.43 and 28,125.03

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Solution

The fourth proportional to 50,780.53, 70,081.43 and 28,125.03 is: 38,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,780.53 : 70,081.43 = 28,125.03 : x
  2. Step 2: Convert to fraction form
    50,780.53/70,081.43 = 28,125.03/x
  3. Step 3: Cross multiply
    50,780.53x = 70,081.43 × 28,125.03
  4. Step 4: Simplify right side
    50,780.53x = 1,971,042,321.19
  5. Step 5: Solve for x
    x = 1,971,042,321.19/50,780.53
  6. Step 6: Final answer
    x = 38,814.92

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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.