Home / 40,412.72-55,771.27-22,507.72

Finding the Fourth Proportional to 40,412.72, 55,771.27 and 22,507.72

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Solution

The fourth proportional to 40,412.72, 55,771.27 and 22,507.72 is: 31,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.72 : 55,771.27 = 22,507.72 : x
  2. Step 2: Convert to fraction form
    40,412.72/55,771.27 = 22,507.72/x
  3. Step 3: Cross multiply
    40,412.72x = 55,771.27 × 22,507.72
  4. Step 4: Simplify right side
    40,412.72x = 1,255,283,933.51
  5. Step 5: Solve for x
    x = 1,255,283,933.51/40,412.72
  6. Step 6: Final answer
    x = 31,061.61

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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.