Home / 53,001.06-73,142.73-29,130

Finding the Fourth Proportional to 53,001.06, 73,142.73 and 29,130

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Solution

The fourth proportional to 53,001.06, 73,142.73 and 29,130 is: 40,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.06 : 73,142.73 = 29,130 : x
  2. Step 2: Convert to fraction form
    53,001.06/73,142.73 = 29,130/x
  3. Step 3: Cross multiply
    53,001.06x = 73,142.73 × 29,130
  4. Step 4: Simplify right side
    53,001.06x = 2,130,647,724.90
  5. Step 5: Solve for x
    x = 2,130,647,724.90/53,001.06
  6. Step 6: Final answer
    x = 40,200.10

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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.