Home / 52,072.84-78,109.26-14,631.40

Finding the Fourth Proportional to 52,072.84, 78,109.26 and 14,631.40

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Solution

The fourth proportional to 52,072.84, 78,109.26 and 14,631.40 is: 21,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.84 : 78,109.26 = 14,631.40 : x
  2. Step 2: Convert to fraction form
    52,072.84/78,109.26 = 14,631.40/x
  3. Step 3: Cross multiply
    52,072.84x = 78,109.26 × 14,631.40
  4. Step 4: Simplify right side
    52,072.84x = 1,142,847,363.06
  5. Step 5: Solve for x
    x = 1,142,847,363.06/52,072.84
  6. Step 6: Final answer
    x = 21,947.09

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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.