Home / 52,099.92-78,153.48-20,935.18

Finding the Fourth Proportional to 52,099.92, 78,153.48 and 20,935.18

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Solution

The fourth proportional to 52,099.92, 78,153.48 and 20,935.18 is: 31,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,099.92 : 78,153.48 = 20,935.18 : x
  2. Step 2: Convert to fraction form
    52,099.92/78,153.48 = 20,935.18/x
  3. Step 3: Cross multiply
    52,099.92x = 78,153.48 × 20,935.18
  4. Step 4: Simplify right side
    52,099.92x = 1,636,157,171.43
  5. Step 5: Solve for x
    x = 1,636,157,171.43/52,099.92
  6. Step 6: Final answer
    x = 31,404.22

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1.5x scale

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.