Home / 52,271.84-78,383.06-20,265.91

Finding the Fourth Proportional to 52,271.84, 78,383.06 and 20,265.91

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Solution

The fourth proportional to 52,271.84, 78,383.06 and 20,265.91 is: 30,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,271.84 : 78,383.06 = 20,265.91 : x
  2. Step 2: Convert to fraction form
    52,271.84/78,383.06 = 20,265.91/x
  3. Step 3: Cross multiply
    52,271.84x = 78,383.06 × 20,265.91
  4. Step 4: Simplify right side
    52,271.84x = 1,588,503,546.24
  5. Step 5: Solve for x
    x = 1,588,503,546.24/52,271.84
  6. Step 6: Final answer
    x = 30,389.28

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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.