Home / 36,509.60-54,764.40-13,127.60

Finding the Fourth Proportional to 36,509.60, 54,764.40 and 13,127.60

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Solution

The fourth proportional to 36,509.60, 54,764.40 and 13,127.60 is: 19,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,509.60 : 54,764.40 = 13,127.60 : x
  2. Step 2: Convert to fraction form
    36,509.60/54,764.40 = 13,127.60/x
  3. Step 3: Cross multiply
    36,509.60x = 54,764.40 × 13,127.60
  4. Step 4: Simplify right side
    36,509.60x = 718,925,137.44
  5. Step 5: Solve for x
    x = 718,925,137.44/36,509.60
  6. Step 6: Final answer
    x = 19,691.40

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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.