Home / 35,214.40-48,601.60-20,107.20

Finding the Fourth Proportional to 35,214.40, 48,601.60 and 20,107.20

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Solution

The fourth proportional to 35,214.40, 48,601.60 and 20,107.20 is: 27,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,214.40 : 48,601.60 = 20,107.20 : x
  2. Step 2: Convert to fraction form
    35,214.40/48,601.60 = 20,107.20/x
  3. Step 3: Cross multiply
    35,214.40x = 48,601.60 × 20,107.20
  4. Step 4: Simplify right side
    35,214.40x = 977,242,091.52
  5. Step 5: Solve for x
    x = 977,242,091.52/35,214.40
  6. Step 6: Final answer
    x = 27,751.21

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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.