Home / 77,018.75-115,546.58-24,428.21

Finding the Fourth Proportional to 77,018.75, 115,546.58 and 24,428.21

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Solution

The fourth proportional to 77,018.75, 115,546.58 and 24,428.21 is: 36,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,018.75 : 115,546.58 = 24,428.21 : x
  2. Step 2: Convert to fraction form
    77,018.75/115,546.58 = 24,428.21/x
  3. Step 3: Cross multiply
    77,018.75x = 115,546.58 × 24,428.21
  4. Step 4: Simplify right side
    77,018.75x = 2,822,595,998.88
  5. Step 5: Solve for x
    x = 2,822,595,998.88/77,018.75
  6. Step 6: Final answer
    x = 36,648.17

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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.