Home / 35,179.89-48,543.73-20,071.68

Finding the Fourth Proportional to 35,179.89, 48,543.73 and 20,071.68

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Solution

The fourth proportional to 35,179.89, 48,543.73 and 20,071.68 is: 27,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,179.89 : 48,543.73 = 20,071.68 : x
  2. Step 2: Convert to fraction form
    35,179.89/48,543.73 = 20,071.68/x
  3. Step 3: Cross multiply
    35,179.89x = 48,543.73 × 20,071.68
  4. Step 4: Simplify right side
    35,179.89x = 974,354,214.57
  5. Step 5: Solve for x
    x = 974,354,214.57/35,179.89
  6. Step 6: Final answer
    x = 27,696.34

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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.