Home / 52,174.84-78,209.43-20,607.16

Finding the Fourth Proportional to 52,174.84, 78,209.43 and 20,607.16

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Solution

The fourth proportional to 52,174.84, 78,209.43 and 20,607.16 is: 30,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,174.84 : 78,209.43 = 20,607.16 : x
  2. Step 2: Convert to fraction form
    52,174.84/78,209.43 = 20,607.16/x
  3. Step 3: Cross multiply
    52,174.84x = 78,209.43 × 20,607.16
  4. Step 4: Simplify right side
    52,174.84x = 1,611,674,237.52
  5. Step 5: Solve for x
    x = 1,611,674,237.52/52,174.84
  6. Step 6: Final answer
    x = 30,889.87

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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.