Home / 30,256.68-41,727.54-19,649.64

Finding the Fourth Proportional to 30,256.68, 41,727.54 and 19,649.64

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Solution

The fourth proportional to 30,256.68, 41,727.54 and 19,649.64 is: 27,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256.68 : 41,727.54 = 19,649.64 : x
  2. Step 2: Convert to fraction form
    30,256.68/41,727.54 = 19,649.64/x
  3. Step 3: Cross multiply
    30,256.68x = 41,727.54 × 19,649.64
  4. Step 4: Simplify right side
    30,256.68x = 819,931,139.09
  5. Step 5: Solve for x
    x = 819,931,139.09/30,256.68
  6. Step 6: Final answer
    x = 27,099.18

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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.