Home / 51,895.16-77,847.78-13,943.96

Finding the Fourth Proportional to 51,895.16, 77,847.78 and 13,943.96

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Solution

The fourth proportional to 51,895.16, 77,847.78 and 13,943.96 is: 20,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,895.16 : 77,847.78 = 13,943.96 : x
  2. Step 2: Convert to fraction form
    51,895.16/77,847.78 = 13,943.96/x
  3. Step 3: Cross multiply
    51,895.16x = 77,847.78 × 13,943.96
  4. Step 4: Simplify right side
    51,895.16x = 1,085,506,330.41
  5. Step 5: Solve for x
    x = 1,085,506,330.41/51,895.16
  6. Step 6: Final answer
    x = 20,917.29

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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.