Home / 35,308.30-48,713.53-20,190.19

Finding the Fourth Proportional to 35,308.30, 48,713.53 and 20,190.19

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Solution

The fourth proportional to 35,308.30, 48,713.53 and 20,190.19 is: 27,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,308.30 : 48,713.53 = 20,190.19 : x
  2. Step 2: Convert to fraction form
    35,308.30/48,713.53 = 20,190.19/x
  3. Step 3: Cross multiply
    35,308.30x = 48,713.53 × 20,190.19
  4. Step 4: Simplify right side
    35,308.30x = 983,535,426.27
  5. Step 5: Solve for x
    x = 983,535,426.27/35,308.30
  6. Step 6: Final answer
    x = 27,855.64

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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.