Home / 52,443.68-78,671.96-19,179.40

Finding the Fourth Proportional to 52,443.68, 78,671.96 and 19,179.40

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Solution

The fourth proportional to 52,443.68, 78,671.96 and 19,179.40 is: 28,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,443.68 : 78,671.96 = 19,179.40 : x
  2. Step 2: Convert to fraction form
    52,443.68/78,671.96 = 19,179.40/x
  3. Step 3: Cross multiply
    52,443.68x = 78,671.96 × 19,179.40
  4. Step 4: Simplify right side
    52,443.68x = 1,508,880,989.62
  5. Step 5: Solve for x
    x = 1,508,880,989.62/52,443.68
  6. Step 6: Final answer
    x = 28,771.46

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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.