Home / 43,387.60-65,052.24-17,078.80

Finding the Fourth Proportional to 43,387.60, 65,052.24 and 17,078.80

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Solution

The fourth proportional to 43,387.60, 65,052.24 and 17,078.80 is: 25,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,387.60 : 65,052.24 = 17,078.80 : x
  2. Step 2: Convert to fraction form
    43,387.60/65,052.24 = 17,078.80/x
  3. Step 3: Cross multiply
    43,387.60x = 65,052.24 × 17,078.80
  4. Step 4: Simplify right side
    43,387.60x = 1,111,014,196.51
  5. Step 5: Solve for x
    x = 1,111,014,196.51/43,387.60
  6. Step 6: Final answer
    x = 25,606.72

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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.