Home / 40,493.02-55,881.21-22,588.78

Finding the Fourth Proportional to 40,493.02, 55,881.21 and 22,588.78

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Solution

The fourth proportional to 40,493.02, 55,881.21 and 22,588.78 is: 31,172.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,493.02 : 55,881.21 = 22,588.78 : x
  2. Step 2: Convert to fraction form
    40,493.02/55,881.21 = 22,588.78/x
  3. Step 3: Cross multiply
    40,493.02x = 55,881.21 × 22,588.78
  4. Step 4: Simplify right side
    40,493.02x = 1,262,288,358.82
  5. Step 5: Solve for x
    x = 1,262,288,358.82/40,493.02
  6. Step 6: Final answer
    x = 31,172.99

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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.