Home / 52,208.20-78,336.60-27,276.40

Finding the Fourth Proportional to 52,208.20, 78,336.60 and 27,276.40

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Solution

The fourth proportional to 52,208.20, 78,336.60 and 27,276.40 is: 40,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.20 : 78,336.60 = 27,276.40 : x
  2. Step 2: Convert to fraction form
    52,208.20/78,336.60 = 27,276.40/x
  3. Step 3: Cross multiply
    52,208.20x = 78,336.60 × 27,276.40
  4. Step 4: Simplify right side
    52,208.20x = 2,136,740,436.24
  5. Step 5: Solve for x
    x = 2,136,740,436.24/52,208.20
  6. Step 6: Final answer
    x = 40,927.30

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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.