Home / 35,398.08-53,098.38-12,021.48

Finding the Fourth Proportional to 35,398.08, 53,098.38 and 12,021.48

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Solution

The fourth proportional to 35,398.08, 53,098.38 and 12,021.48 is: 18,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.08 : 53,098.38 = 12,021.48 : x
  2. Step 2: Convert to fraction form
    35,398.08/53,098.38 = 12,021.48/x
  3. Step 3: Cross multiply
    35,398.08x = 53,098.38 × 12,021.48
  4. Step 4: Simplify right side
    35,398.08x = 638,321,113.20
  5. Step 5: Solve for x
    x = 638,321,113.20/35,398.08
  6. Step 6: Final answer
    x = 18,032.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.