Home / 35,555.63-49,064.40-19,639.94

Finding the Fourth Proportional to 35,555.63, 49,064.40 and 19,639.94

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Solution

The fourth proportional to 35,555.63, 49,064.40 and 19,639.94 is: 27,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.63 : 49,064.40 = 19,639.94 : x
  2. Step 2: Convert to fraction form
    35,555.63/49,064.40 = 19,639.94/x
  3. Step 3: Cross multiply
    35,555.63x = 49,064.40 × 19,639.94
  4. Step 4: Simplify right side
    35,555.63x = 963,621,626.81
  5. Step 5: Solve for x
    x = 963,621,626.81/35,555.63
  6. Step 6: Final answer
    x = 27,101.81

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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.