Home / 55,540.02-83,309.94-13,987.02

Finding the Fourth Proportional to 55,540.02, 83,309.94 and 13,987.02

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Solution

The fourth proportional to 55,540.02, 83,309.94 and 13,987.02 is: 20,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.02 : 83,309.94 = 13,987.02 : x
  2. Step 2: Convert to fraction form
    55,540.02/83,309.94 = 13,987.02/x
  3. Step 3: Cross multiply
    55,540.02x = 83,309.94 × 13,987.02
  4. Step 4: Simplify right side
    55,540.02x = 1,165,257,796.98
  5. Step 5: Solve for x
    x = 1,165,257,796.98/55,540.02
  6. Step 6: Final answer
    x = 20,980.51

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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.