Home / 53,021.18-73,168.26-29,147.63

Finding the Fourth Proportional to 53,021.18, 73,168.26 and 29,147.63

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Solution

The fourth proportional to 53,021.18, 73,168.26 and 29,147.63 is: 40,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.18 : 73,168.26 = 29,147.63 : x
  2. Step 2: Convert to fraction form
    53,021.18/73,168.26 = 29,147.63/x
  3. Step 3: Cross multiply
    53,021.18x = 73,168.26 × 29,147.63
  4. Step 4: Simplify right side
    53,021.18x = 2,132,681,370.22
  5. Step 5: Solve for x
    x = 2,132,681,370.22/53,021.18
  6. Step 6: Final answer
    x = 40,223.20

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1.5x scale

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.