Home / 50,691.39-69,950.37-28,030.68

Finding the Fourth Proportional to 50,691.39, 69,950.37 and 28,030.68

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Solution

The fourth proportional to 50,691.39, 69,950.37 and 28,030.68 is: 38,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,691.39 : 69,950.37 = 28,030.68 : x
  2. Step 2: Convert to fraction form
    50,691.39/69,950.37 = 28,030.68/x
  3. Step 3: Cross multiply
    50,691.39x = 69,950.37 × 28,030.68
  4. Step 4: Simplify right side
    50,691.39x = 1,960,756,437.35
  5. Step 5: Solve for x
    x = 1,960,756,437.35/50,691.39
  6. Step 6: Final answer
    x = 38,680.27

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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.