Home / 32,742.24-45,169.92-22,128

Finding the Fourth Proportional to 32,742.24, 45,169.92 and 22,128

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Solution

The fourth proportional to 32,742.24, 45,169.92 and 22,128 is: 30,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,742.24 : 45,169.92 = 22,128 : x
  2. Step 2: Convert to fraction form
    32,742.24/45,169.92 = 22,128/x
  3. Step 3: Cross multiply
    32,742.24x = 45,169.92 × 22,128
  4. Step 4: Simplify right side
    32,742.24x = 999,519,989.76
  5. Step 5: Solve for x
    x = 999,519,989.76/32,742.24
  6. Step 6: Final answer
    x = 30,526.93

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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.