Home / 51,838.56-77,742.18-14,389.56

Finding the Fourth Proportional to 51,838.56, 77,742.18 and 14,389.56

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Solution

The fourth proportional to 51,838.56, 77,742.18 and 14,389.56 is: 21,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,838.56 : 77,742.18 = 14,389.56 : x
  2. Step 2: Convert to fraction form
    51,838.56/77,742.18 = 14,389.56/x
  3. Step 3: Cross multiply
    51,838.56x = 77,742.18 × 14,389.56
  4. Step 4: Simplify right side
    51,838.56x = 1,118,675,763.64
  5. Step 5: Solve for x
    x = 1,118,675,763.64/51,838.56
  6. Step 6: Final answer
    x = 21,579.99

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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.