Home / 33,058.64-45,621-18,155.60

Finding the Fourth Proportional to 33,058.64, 45,621 and 18,155.60

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Solution

The fourth proportional to 33,058.64, 45,621 and 18,155.60 is: 25,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,058.64 : 45,621 = 18,155.60 : x
  2. Step 2: Convert to fraction form
    33,058.64/45,621 = 18,155.60/x
  3. Step 3: Cross multiply
    33,058.64x = 45,621 × 18,155.60
  4. Step 4: Simplify right side
    33,058.64x = 828,276,627.60
  5. Step 5: Solve for x
    x = 828,276,627.60/33,058.64
  6. Step 6: Final answer
    x = 25,054.77

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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.