Home / 40,172.04-55,437.80-22,267.44

Finding the Fourth Proportional to 40,172.04, 55,437.80 and 22,267.44

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Solution

The fourth proportional to 40,172.04, 55,437.80 and 22,267.44 is: 30,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.04 : 55,437.80 = 22,267.44 : x
  2. Step 2: Convert to fraction form
    40,172.04/55,437.80 = 22,267.44/x
  3. Step 3: Cross multiply
    40,172.04x = 55,437.80 × 22,267.44
  4. Step 4: Simplify right side
    40,172.04x = 1,234,457,885.23
  5. Step 5: Solve for x
    x = 1,234,457,885.23/40,172.04
  6. Step 6: Final answer
    x = 30,729.28

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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.