Home / 50,785.79-70,074.44-28,123.68

Finding the Fourth Proportional to 50,785.79, 70,074.44 and 28,123.68

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Solution

The fourth proportional to 50,785.79, 70,074.44 and 28,123.68 is: 38,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.79 : 70,074.44 = 28,123.68 : x
  2. Step 2: Convert to fraction form
    50,785.79/70,074.44 = 28,123.68/x
  3. Step 3: Cross multiply
    50,785.79x = 70,074.44 × 28,123.68
  4. Step 4: Simplify right side
    50,785.79x = 1,970,751,236.38
  5. Step 5: Solve for x
    x = 1,970,751,236.38/50,785.79
  6. Step 6: Final answer
    x = 38,805.17

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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.