Home / 35,448.90-53,178.72-12,069.87

Finding the Fourth Proportional to 35,448.90, 53,178.72 and 12,069.87

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Solution

The fourth proportional to 35,448.90, 53,178.72 and 12,069.87 is: 18,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448.90 : 53,178.72 = 12,069.87 : x
  2. Step 2: Convert to fraction form
    35,448.90/53,178.72 = 12,069.87/x
  3. Step 3: Cross multiply
    35,448.90x = 53,178.72 × 12,069.87
  4. Step 4: Simplify right side
    35,448.90x = 641,860,237.17
  5. Step 5: Solve for x
    x = 641,860,237.17/35,448.90
  6. Step 6: Final answer
    x = 18,106.63

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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.