Home / 54,682.60-81,937.56-39,823.12

Finding the Fourth Proportional to 54,682.60, 81,937.56 and 39,823.12

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Solution

The fourth proportional to 54,682.60, 81,937.56 and 39,823.12 is: 59,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.60 : 81,937.56 = 39,823.12 : x
  2. Step 2: Convert to fraction form
    54,682.60/81,937.56 = 39,823.12/x
  3. Step 3: Cross multiply
    54,682.60x = 81,937.56 × 39,823.12
  4. Step 4: Simplify right side
    54,682.60x = 3,263,009,284.39
  5. Step 5: Solve for x
    x = 3,263,009,284.39/54,682.60
  6. Step 6: Final answer
    x = 59,671.80

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1.5x scale

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.