Home / 51,828-77,738.93-30,492.71

Finding the Fourth Proportional to 51,828, 77,738.93 and 30,492.71

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Solution

The fourth proportional to 51,828, 77,738.93 and 30,492.71 is: 45,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,828 : 77,738.93 = 30,492.71 : x
  2. Step 2: Convert to fraction form
    51,828/77,738.93 = 30,492.71/x
  3. Step 3: Cross multiply
    51,828x = 77,738.93 × 30,492.71
  4. Step 4: Simplify right side
    51,828x = 2,370,470,107.04
  5. Step 5: Solve for x
    x = 2,370,470,107.04/51,828
  6. Step 6: Final answer
    x = 45,737.25

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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.