Home / 32,729.60-45,159.36-18,581.12

Finding the Fourth Proportional to 32,729.60, 45,159.36 and 18,581.12

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Solution

The fourth proportional to 32,729.60, 45,159.36 and 18,581.12 is: 25,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.60 : 45,159.36 = 18,581.12 : x
  2. Step 2: Convert to fraction form
    32,729.60/45,159.36 = 18,581.12/x
  3. Step 3: Cross multiply
    32,729.60x = 45,159.36 × 18,581.12
  4. Step 4: Simplify right side
    32,729.60x = 839,111,487.28
  5. Step 5: Solve for x
    x = 839,111,487.28/32,729.60
  6. Step 6: Final answer
    x = 25,637.69

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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.