Home / 53,388.85-73,670.14-29,512.21

Finding the Fourth Proportional to 53,388.85, 73,670.14 and 29,512.21

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Solution

The fourth proportional to 53,388.85, 73,670.14 and 29,512.21 is: 40,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,388.85 : 73,670.14 = 29,512.21 : x
  2. Step 2: Convert to fraction form
    53,388.85/73,670.14 = 29,512.21/x
  3. Step 3: Cross multiply
    53,388.85x = 73,670.14 × 29,512.21
  4. Step 4: Simplify right side
    53,388.85x = 2,174,168,642.41
  5. Step 5: Solve for x
    x = 2,174,168,642.41/53,388.85
  6. Step 6: Final answer
    x = 40,723.27

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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.