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Finding the Fourth Proportional to 53,010.78, 79,525.93 and 17,474.22

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Solution

The fourth proportional to 53,010.78, 79,525.93 and 17,474.22 is: 26,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.78 : 79,525.93 = 17,474.22 : x
  2. Step 2: Convert to fraction form
    53,010.78/79,525.93 = 17,474.22/x
  3. Step 3: Cross multiply
    53,010.78x = 79,525.93 × 17,474.22
  4. Step 4: Simplify right side
    53,010.78x = 1,389,653,596.52
  5. Step 5: Solve for x
    x = 1,389,653,596.52/53,010.78
  6. Step 6: Final answer
    x = 26,214.55

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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.