Home / 32,954.64-45,440.96-20,999.04

Finding the Fourth Proportional to 32,954.64, 45,440.96 and 20,999.04

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Solution

The fourth proportional to 32,954.64, 45,440.96 and 20,999.04 is: 28,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,954.64 : 45,440.96 = 20,999.04 : x
  2. Step 2: Convert to fraction form
    32,954.64/45,440.96 = 20,999.04/x
  3. Step 3: Cross multiply
    32,954.64x = 45,440.96 × 20,999.04
  4. Step 4: Simplify right side
    32,954.64x = 954,216,536.68
  5. Step 5: Solve for x
    x = 954,216,536.68/32,954.64
  6. Step 6: Final answer
    x = 28,955.45

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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.