Home / 35,087.12-48,414.12-20,939.12

Finding the Fourth Proportional to 35,087.12, 48,414.12 and 20,939.12

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Solution

The fourth proportional to 35,087.12, 48,414.12 and 20,939.12 is: 28,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,087.12 : 48,414.12 = 20,939.12 : x
  2. Step 2: Convert to fraction form
    35,087.12/48,414.12 = 20,939.12/x
  3. Step 3: Cross multiply
    35,087.12x = 48,414.12 × 20,939.12
  4. Step 4: Simplify right side
    35,087.12x = 1,013,749,068.37
  5. Step 5: Solve for x
    x = 1,013,749,068.37/35,087.12
  6. Step 6: Final answer
    x = 28,892.34

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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.