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Finding the Fourth Proportional to 35,459.02, 48,941.79 and 22,040.41

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Solution

The fourth proportional to 35,459.02, 48,941.79 and 22,040.41 is: 30,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.02 : 48,941.79 = 22,040.41 : x
  2. Step 2: Convert to fraction form
    35,459.02/48,941.79 = 22,040.41/x
  3. Step 3: Cross multiply
    35,459.02x = 48,941.79 × 22,040.41
  4. Step 4: Simplify right side
    35,459.02x = 1,078,697,117.73
  5. Step 5: Solve for x
    x = 1,078,697,117.73/35,459.02
  6. Step 6: Final answer
    x = 30,420.95

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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.