Home / 40,080.89-55,307.40-22,173.05

Finding the Fourth Proportional to 40,080.89, 55,307.40 and 22,173.05

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Solution

The fourth proportional to 40,080.89, 55,307.40 and 22,173.05 is: 30,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.89 : 55,307.40 = 22,173.05 : x
  2. Step 2: Convert to fraction form
    40,080.89/55,307.40 = 22,173.05/x
  3. Step 3: Cross multiply
    40,080.89x = 55,307.40 × 22,173.05
  4. Step 4: Simplify right side
    40,080.89x = 1,226,333,745.57
  5. Step 5: Solve for x
    x = 1,226,333,745.57/40,080.89
  6. Step 6: Final answer
    x = 30,596.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.