Home / 35,405.18-48,860.54-19,491.11

Finding the Fourth Proportional to 35,405.18, 48,860.54 and 19,491.11

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Solution

The fourth proportional to 35,405.18, 48,860.54 and 19,491.11 is: 26,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.18 : 48,860.54 = 19,491.11 : x
  2. Step 2: Convert to fraction form
    35,405.18/48,860.54 = 19,491.11/x
  3. Step 3: Cross multiply
    35,405.18x = 48,860.54 × 19,491.11
  4. Step 4: Simplify right side
    35,405.18x = 952,345,818.04
  5. Step 5: Solve for x
    x = 952,345,818.04/35,405.18
  6. Step 6: Final answer
    x = 26,898.49

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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.