Home / 53,611.43-73,987.16-30,954.60

Finding the Fourth Proportional to 53,611.43, 73,987.16 and 30,954.60

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Solution

The fourth proportional to 53,611.43, 73,987.16 and 30,954.60 is: 42,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,611.43 : 73,987.16 = 30,954.60 : x
  2. Step 2: Convert to fraction form
    53,611.43/73,987.16 = 30,954.60/x
  3. Step 3: Cross multiply
    53,611.43x = 73,987.16 × 30,954.60
  4. Step 4: Simplify right side
    53,611.43x = 2,290,242,788.16
  5. Step 5: Solve for x
    x = 2,290,242,788.16/53,611.43
  6. Step 6: Final answer
    x = 42,719.30

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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.