Home / 39,928.40-59,892.60-36,702.80

Finding the Fourth Proportional to 39,928.40, 59,892.60 and 36,702.80

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Solution

The fourth proportional to 39,928.40, 59,892.60 and 36,702.80 is: 55,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.40 : 59,892.60 = 36,702.80 : x
  2. Step 2: Convert to fraction form
    39,928.40/59,892.60 = 36,702.80/x
  3. Step 3: Cross multiply
    39,928.40x = 59,892.60 × 36,702.80
  4. Step 4: Simplify right side
    39,928.40x = 2,198,226,119.28
  5. Step 5: Solve for x
    x = 2,198,226,119.28/39,928.40
  6. Step 6: Final answer
    x = 55,054.20

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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.