Home / 35,495.10-48,989.07-21,355.74

Finding the Fourth Proportional to 35,495.10, 48,989.07 and 21,355.74

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Solution

The fourth proportional to 35,495.10, 48,989.07 and 21,355.74 is: 29,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,495.10 : 48,989.07 = 21,355.74 : x
  2. Step 2: Convert to fraction form
    35,495.10/48,989.07 = 21,355.74/x
  3. Step 3: Cross multiply
    35,495.10x = 48,989.07 × 21,355.74
  4. Step 4: Simplify right side
    35,495.10x = 1,046,197,841.76
  5. Step 5: Solve for x
    x = 1,046,197,841.76/35,495.10
  6. Step 6: Final answer
    x = 29,474.43

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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.