Home / 39,771.60-54,852.84-34,981.20

Finding the Fourth Proportional to 39,771.60, 54,852.84 and 34,981.20

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Solution

The fourth proportional to 39,771.60, 54,852.84 and 34,981.20 is: 48,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,771.60 : 54,852.84 = 34,981.20 : x
  2. Step 2: Convert to fraction form
    39,771.60/54,852.84 = 34,981.20/x
  3. Step 3: Cross multiply
    39,771.60x = 54,852.84 × 34,981.20
  4. Step 4: Simplify right side
    39,771.60x = 1,918,818,166.61
  5. Step 5: Solve for x
    x = 1,918,818,166.61/39,771.60
  6. Step 6: Final answer
    x = 48,245.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.