Home / 35,907.96-49,541.76-19,989.66

Finding the Fourth Proportional to 35,907.96, 49,541.76 and 19,989.66

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Solution

The fourth proportional to 35,907.96, 49,541.76 and 19,989.66 is: 27,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.96 : 49,541.76 = 19,989.66 : x
  2. Step 2: Convert to fraction form
    35,907.96/49,541.76 = 19,989.66/x
  3. Step 3: Cross multiply
    35,907.96x = 49,541.76 × 19,989.66
  4. Step 4: Simplify right side
    35,907.96x = 990,322,938.20
  5. Step 5: Solve for x
    x = 990,322,938.20/35,907.96
  6. Step 6: Final answer
    x = 27,579.48

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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.