Home / 51,645.84-77,443.18-18,360.92

Finding the Fourth Proportional to 51,645.84, 77,443.18 and 18,360.92

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Solution

The fourth proportional to 51,645.84, 77,443.18 and 18,360.92 is: 27,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,645.84 : 77,443.18 = 18,360.92 : x
  2. Step 2: Convert to fraction form
    51,645.84/77,443.18 = 18,360.92/x
  3. Step 3: Cross multiply
    51,645.84x = 77,443.18 × 18,360.92
  4. Step 4: Simplify right side
    51,645.84x = 1,421,928,032.53
  5. Step 5: Solve for x
    x = 1,421,928,032.53/51,645.84
  6. Step 6: Final answer
    x = 27,532.29

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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.