Home / 50,785.18-70,082.67-28,123.68

Finding the Fourth Proportional to 50,785.18, 70,082.67 and 28,123.68

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Solution

The fourth proportional to 50,785.18, 70,082.67 and 28,123.68 is: 38,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.18 : 70,082.67 = 28,123.68 : x
  2. Step 2: Convert to fraction form
    50,785.18/70,082.67 = 28,123.68/x
  3. Step 3: Cross multiply
    50,785.18x = 70,082.67 × 28,123.68
  4. Step 4: Simplify right side
    50,785.18x = 1,970,982,584.63
  5. Step 5: Solve for x
    x = 1,970,982,584.63/50,785.18
  6. Step 6: Final answer
    x = 38,810.19

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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.