Home / 35,394.06-48,845.81-20,289.23

Finding the Fourth Proportional to 35,394.06, 48,845.81 and 20,289.23

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Solution

The fourth proportional to 35,394.06, 48,845.81 and 20,289.23 is: 28,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.06 : 48,845.81 = 20,289.23 : x
  2. Step 2: Convert to fraction form
    35,394.06/48,845.81 = 20,289.23/x
  3. Step 3: Cross multiply
    35,394.06x = 48,845.81 × 20,289.23
  4. Step 4: Simplify right side
    35,394.06x = 991,043,873.63
  5. Step 5: Solve for x
    x = 991,043,873.63/35,394.06
  6. Step 6: Final answer
    x = 28,000.29

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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.