Home / 53,220.50-73,443.48-29,346.56

Finding the Fourth Proportional to 53,220.50, 73,443.48 and 29,346.56

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Solution

The fourth proportional to 53,220.50, 73,443.48 and 29,346.56 is: 40,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.50 : 73,443.48 = 29,346.56 : x
  2. Step 2: Convert to fraction form
    53,220.50/73,443.48 = 29,346.56/x
  3. Step 3: Cross multiply
    53,220.50x = 73,443.48 × 29,346.56
  4. Step 4: Simplify right side
    53,220.50x = 2,155,313,492.43
  5. Step 5: Solve for x
    x = 2,155,313,492.43/53,220.50
  6. Step 6: Final answer
    x = 40,497.81

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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.