Home / 52,301.37-72,175.49-28,428.21

Finding the Fourth Proportional to 52,301.37, 72,175.49 and 28,428.21

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Solution

The fourth proportional to 52,301.37, 72,175.49 and 28,428.21 is: 39,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.37 : 72,175.49 = 28,428.21 : x
  2. Step 2: Convert to fraction form
    52,301.37/72,175.49 = 28,428.21/x
  3. Step 3: Cross multiply
    52,301.37x = 72,175.49 × 28,428.21
  4. Step 4: Simplify right side
    52,301.37x = 2,051,819,844.43
  5. Step 5: Solve for x
    x = 2,051,819,844.43/52,301.37
  6. Step 6: Final answer
    x = 39,230.71

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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.