Home / 35,356.78-53,024.23-11,977.75

Finding the Fourth Proportional to 35,356.78, 53,024.23 and 11,977.75

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Solution

The fourth proportional to 35,356.78, 53,024.23 and 11,977.75 is: 17,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.78 : 53,024.23 = 11,977.75 : x
  2. Step 2: Convert to fraction form
    35,356.78/53,024.23 = 11,977.75/x
  3. Step 3: Cross multiply
    35,356.78x = 53,024.23 × 11,977.75
  4. Step 4: Simplify right side
    35,356.78x = 635,110,970.88
  5. Step 5: Solve for x
    x = 635,110,970.88/35,356.78
  6. Step 6: Final answer
    x = 17,962.92

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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.