Home / 32,716.16-45,147.20-19,287.18

Finding the Fourth Proportional to 32,716.16, 45,147.20 and 19,287.18

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Solution

The fourth proportional to 32,716.16, 45,147.20 and 19,287.18 is: 26,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,716.16 : 45,147.20 = 19,287.18 : x
  2. Step 2: Convert to fraction form
    32,716.16/45,147.20 = 19,287.18/x
  3. Step 3: Cross multiply
    32,716.16x = 45,147.20 × 19,287.18
  4. Step 4: Simplify right side
    32,716.16x = 870,762,172.90
  5. Step 5: Solve for x
    x = 870,762,172.90/32,716.16
  6. Step 6: Final answer
    x = 26,615.66

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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.