Home / 53,203.22-73,427.09-30,549.30

Finding the Fourth Proportional to 53,203.22, 73,427.09 and 30,549.30

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Solution

The fourth proportional to 53,203.22, 73,427.09 and 30,549.30 is: 42,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.22 : 73,427.09 = 30,549.30 : x
  2. Step 2: Convert to fraction form
    53,203.22/73,427.09 = 30,549.30/x
  3. Step 3: Cross multiply
    53,203.22x = 73,427.09 × 30,549.30
  4. Step 4: Simplify right side
    53,203.22x = 2,243,146,047.79
  5. Step 5: Solve for x
    x = 2,243,146,047.79/53,203.22
  6. Step 6: Final answer
    x = 42,161.85

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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.