Home / 35,128.28-48,476.00-19,212.39

Finding the Fourth Proportional to 35,128.28, 48,476.00 and 19,212.39

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Solution

The fourth proportional to 35,128.28, 48,476.00 and 19,212.39 is: 26,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.28 : 48,476.00 = 19,212.39 : x
  2. Step 2: Convert to fraction form
    35,128.28/48,476.00 = 19,212.39/x
  3. Step 3: Cross multiply
    35,128.28x = 48,476.00 × 19,212.39
  4. Step 4: Simplify right side
    35,128.28x = 931,339,865.67
  5. Step 5: Solve for x
    x = 931,339,865.67/35,128.28
  6. Step 6: Final answer
    x = 26,512.54

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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.