Home / 40,174.94-55,444.65-22,275.66

Finding the Fourth Proportional to 40,174.94, 55,444.65 and 22,275.66

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Solution

The fourth proportional to 40,174.94, 55,444.65 and 22,275.66 is: 30,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.94 : 55,444.65 = 22,275.66 : x
  2. Step 2: Convert to fraction form
    40,174.94/55,444.65 = 22,275.66/x
  3. Step 3: Cross multiply
    40,174.94x = 55,444.65 × 22,275.66
  4. Step 4: Simplify right side
    40,174.94x = 1,235,066,172.22
  5. Step 5: Solve for x
    x = 1,235,066,172.22/40,174.94
  6. Step 6: Final answer
    x = 30,742.21

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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.