Home / 50,785.14-70,083.68-28,123.63

Finding the Fourth Proportional to 50,785.14, 70,083.68 and 28,123.63

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Solution

The fourth proportional to 50,785.14, 70,083.68 and 28,123.63 is: 38,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.14 : 70,083.68 = 28,123.63 : x
  2. Step 2: Convert to fraction form
    50,785.14/70,083.68 = 28,123.63/x
  3. Step 3: Cross multiply
    50,785.14x = 70,083.68 × 28,123.63
  4. Step 4: Simplify right side
    50,785.14x = 1,971,007,555.67
  5. Step 5: Solve for x
    x = 1,971,007,555.67/50,785.14
  6. Step 6: Final answer
    x = 38,810.72

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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.