Home / 35,439.42-53,142.93-12,059.58

Finding the Fourth Proportional to 35,439.42, 53,142.93 and 12,059.58

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Solution

The fourth proportional to 35,439.42, 53,142.93 and 12,059.58 is: 18,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.42 : 53,142.93 = 12,059.58 : x
  2. Step 2: Convert to fraction form
    35,439.42/53,142.93 = 12,059.58/x
  3. Step 3: Cross multiply
    35,439.42x = 53,142.93 × 12,059.58
  4. Step 4: Simplify right side
    35,439.42x = 640,881,415.77
  5. Step 5: Solve for x
    x = 640,881,415.77/35,439.42
  6. Step 6: Final answer
    x = 18,083.86

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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.