Home / 35,901.11-49,543.51-19,989.32

Finding the Fourth Proportional to 35,901.11, 49,543.51 and 19,989.32

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Solution

The fourth proportional to 35,901.11, 49,543.51 and 19,989.32 is: 27,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.11 : 49,543.51 = 19,989.32 : x
  2. Step 2: Convert to fraction form
    35,901.11/49,543.51 = 19,989.32/x
  3. Step 3: Cross multiply
    35,901.11x = 49,543.51 × 19,989.32
  4. Step 4: Simplify right side
    35,901.11x = 990,340,758.88
  5. Step 5: Solve for x
    x = 990,340,758.88/35,901.11
  6. Step 6: Final answer
    x = 27,585.24

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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.