Home / 53,120.78-79,687.01-17,569.14

Finding the Fourth Proportional to 53,120.78, 79,687.01 and 17,569.14

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Solution

The fourth proportional to 53,120.78, 79,687.01 and 17,569.14 is: 26,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.78 : 79,687.01 = 17,569.14 : x
  2. Step 2: Convert to fraction form
    53,120.78/79,687.01 = 17,569.14/x
  3. Step 3: Cross multiply
    53,120.78x = 79,687.01 × 17,569.14
  4. Step 4: Simplify right side
    53,120.78x = 1,400,032,147.03
  5. Step 5: Solve for x
    x = 1,400,032,147.03/53,120.78
  6. Step 6: Final answer
    x = 26,355.64

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1.5x scale

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.