Home / 35,181.54-48,553.30-20,070.72

Finding the Fourth Proportional to 35,181.54, 48,553.30 and 20,070.72

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Solution

The fourth proportional to 35,181.54, 48,553.30 and 20,070.72 is: 27,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,181.54 : 48,553.30 = 20,070.72 : x
  2. Step 2: Convert to fraction form
    35,181.54/48,553.30 = 20,070.72/x
  3. Step 3: Cross multiply
    35,181.54x = 48,553.30 × 20,070.72
  4. Step 4: Simplify right side
    35,181.54x = 974,499,689.38
  5. Step 5: Solve for x
    x = 974,499,689.38/35,181.54
  6. Step 6: Final answer
    x = 27,699.18

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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.