Home / 35,308.09-48,711.38-20,192.68

Finding the Fourth Proportional to 35,308.09, 48,711.38 and 20,192.68

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Solution

The fourth proportional to 35,308.09, 48,711.38 and 20,192.68 is: 27,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,308.09 : 48,711.38 = 20,192.68 : x
  2. Step 2: Convert to fraction form
    35,308.09/48,711.38 = 20,192.68/x
  3. Step 3: Cross multiply
    35,308.09x = 48,711.38 × 20,192.68
  4. Step 4: Simplify right side
    35,308.09x = 983,613,308.70
  5. Step 5: Solve for x
    x = 983,613,308.70/35,308.09
  6. Step 6: Final answer
    x = 27,858.02

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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.