Home / 35,424.34-53,145.72-15,698.21

Finding the Fourth Proportional to 35,424.34, 53,145.72 and 15,698.21

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Solution

The fourth proportional to 35,424.34, 53,145.72 and 15,698.21 is: 23,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.34 : 53,145.72 = 15,698.21 : x
  2. Step 2: Convert to fraction form
    35,424.34/53,145.72 = 15,698.21/x
  3. Step 3: Cross multiply
    35,424.34x = 53,145.72 × 15,698.21
  4. Step 4: Simplify right side
    35,424.34x = 834,292,407.43
  5. Step 5: Solve for x
    x = 834,292,407.43/35,424.34
  6. Step 6: Final answer
    x = 23,551.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.