Home / 53,946.40-80,943.90-25,855.60

Finding the Fourth Proportional to 53,946.40, 80,943.90 and 25,855.60

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Solution

The fourth proportional to 53,946.40, 80,943.90 and 25,855.60 is: 38,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,946.40 : 80,943.90 = 25,855.60 : x
  2. Step 2: Convert to fraction form
    53,946.40/80,943.90 = 25,855.60/x
  3. Step 3: Cross multiply
    53,946.40x = 80,943.90 × 25,855.60
  4. Step 4: Simplify right side
    53,946.40x = 2,092,853,100.84
  5. Step 5: Solve for x
    x = 2,092,853,100.84/53,946.40
  6. Step 6: Final answer
    x = 38,795.05

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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.