Home / 36,867.60-55,301.40-17,139.60

Finding the Fourth Proportional to 36,867.60, 55,301.40 and 17,139.60

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Solution

The fourth proportional to 36,867.60, 55,301.40 and 17,139.60 is: 25,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,867.60 : 55,301.40 = 17,139.60 : x
  2. Step 2: Convert to fraction form
    36,867.60/55,301.40 = 17,139.60/x
  3. Step 3: Cross multiply
    36,867.60x = 55,301.40 × 17,139.60
  4. Step 4: Simplify right side
    36,867.60x = 947,843,875.44
  5. Step 5: Solve for x
    x = 947,843,875.44/36,867.60
  6. Step 6: Final answer
    x = 25,709.40

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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.