Home / 35,221.14-48,588.93-20,308.50

Finding the Fourth Proportional to 35,221.14, 48,588.93 and 20,308.50

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Solution

The fourth proportional to 35,221.14, 48,588.93 and 20,308.50 is: 28,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.14 : 48,588.93 = 20,308.50 : x
  2. Step 2: Convert to fraction form
    35,221.14/48,588.93 = 20,308.50/x
  3. Step 3: Cross multiply
    35,221.14x = 48,588.93 × 20,308.50
  4. Step 4: Simplify right side
    35,221.14x = 986,768,284.91
  5. Step 5: Solve for x
    x = 986,768,284.91/35,221.14
  6. Step 6: Final answer
    x = 28,016.36

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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.