Home / 53,388.77-73,672.90-29,512.20

Finding the Fourth Proportional to 53,388.77, 73,672.90 and 29,512.20

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Solution

The fourth proportional to 53,388.77, 73,672.90 and 29,512.20 is: 40,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,388.77 : 73,672.90 = 29,512.20 : x
  2. Step 2: Convert to fraction form
    53,388.77/73,672.90 = 29,512.20/x
  3. Step 3: Cross multiply
    53,388.77x = 73,672.90 × 29,512.20
  4. Step 4: Simplify right side
    53,388.77x = 2,174,249,285.60
  5. Step 5: Solve for x
    x = 2,174,249,285.60/53,388.77
  6. Step 6: Final answer
    x = 40,724.84

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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.