Home / 32,719.55-45,155.21-18,185.47

Finding the Fourth Proportional to 32,719.55, 45,155.21 and 18,185.47

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Solution

The fourth proportional to 32,719.55, 45,155.21 and 18,185.47 is: 25,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.55 : 45,155.21 = 18,185.47 : x
  2. Step 2: Convert to fraction form
    32,719.55/45,155.21 = 18,185.47/x
  3. Step 3: Cross multiply
    32,719.55x = 45,155.21 × 18,185.47
  4. Step 4: Simplify right side
    32,719.55x = 821,168,512.98
  5. Step 5: Solve for x
    x = 821,168,512.98/32,719.55
  6. Step 6: Final answer
    x = 25,097.19

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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.