Home / 53,130.72-73,320.50-29,257.44

Finding the Fourth Proportional to 53,130.72, 73,320.50 and 29,257.44

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Solution

The fourth proportional to 53,130.72, 73,320.50 and 29,257.44 is: 40,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.72 : 73,320.50 = 29,257.44 : x
  2. Step 2: Convert to fraction form
    53,130.72/73,320.50 = 29,257.44/x
  3. Step 3: Cross multiply
    53,130.72x = 73,320.50 × 29,257.44
  4. Step 4: Simplify right side
    53,130.72x = 2,145,170,129.52
  5. Step 5: Solve for x
    x = 2,145,170,129.52/53,130.72
  6. Step 6: Final answer
    x = 40,375.33

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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.