Home / 37,319.36-55,987.28-12,367.20

Finding the Fourth Proportional to 37,319.36, 55,987.28 and 12,367.20

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Solution

The fourth proportional to 37,319.36, 55,987.28 and 12,367.20 is: 18,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,319.36 : 55,987.28 = 12,367.20 : x
  2. Step 2: Convert to fraction form
    37,319.36/55,987.28 = 12,367.20/x
  3. Step 3: Cross multiply
    37,319.36x = 55,987.28 × 12,367.20
  4. Step 4: Simplify right side
    37,319.36x = 692,405,889.22
  5. Step 5: Solve for x
    x = 692,405,889.22/37,319.36
  6. Step 6: Final answer
    x = 18,553.53

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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.