Home / 52,564.21-78,856.70-19,284.55

Finding the Fourth Proportional to 52,564.21, 78,856.70 and 19,284.55

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Solution

The fourth proportional to 52,564.21, 78,856.70 and 19,284.55 is: 28,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,564.21 : 78,856.70 = 19,284.55 : x
  2. Step 2: Convert to fraction form
    52,564.21/78,856.70 = 19,284.55/x
  3. Step 3: Cross multiply
    52,564.21x = 78,856.70 × 19,284.55
  4. Step 4: Simplify right side
    52,564.21x = 1,520,715,973.99
  5. Step 5: Solve for x
    x = 1,520,715,973.99/52,564.21
  6. Step 6: Final answer
    x = 28,930.64

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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.