Home / 50,785.65-70,077.96-28,121.45

Finding the Fourth Proportional to 50,785.65, 70,077.96 and 28,121.45

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Solution

The fourth proportional to 50,785.65, 70,077.96 and 28,121.45 is: 38,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.65 : 70,077.96 = 28,121.45 : x
  2. Step 2: Convert to fraction form
    50,785.65/70,077.96 = 28,121.45/x
  3. Step 3: Cross multiply
    50,785.65x = 70,077.96 × 28,121.45
  4. Step 4: Simplify right side
    50,785.65x = 1,970,693,497.85
  5. Step 5: Solve for x
    x = 1,970,693,497.85/50,785.65
  6. Step 6: Final answer
    x = 38,804.14

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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.