Home / 52,122.17-78,183.25-20,950.13

Finding the Fourth Proportional to 52,122.17, 78,183.25 and 20,950.13

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Solution

The fourth proportional to 52,122.17, 78,183.25 and 20,950.13 is: 31,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,122.17 : 78,183.25 = 20,950.13 : x
  2. Step 2: Convert to fraction form
    52,122.17/78,183.25 = 20,950.13/x
  3. Step 3: Cross multiply
    52,122.17x = 78,183.25 × 20,950.13
  4. Step 4: Simplify right side
    52,122.17x = 1,637,949,251.32
  5. Step 5: Solve for x
    x = 1,637,949,251.32/52,122.17
  6. Step 6: Final answer
    x = 31,425.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.