Home / 35,479.96-53,228.28-12,106.48

Finding the Fourth Proportional to 35,479.96, 53,228.28 and 12,106.48

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Solution

The fourth proportional to 35,479.96, 53,228.28 and 12,106.48 is: 18,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.96 : 53,228.28 = 12,106.48 : x
  2. Step 2: Convert to fraction form
    35,479.96/53,228.28 = 12,106.48/x
  3. Step 3: Cross multiply
    35,479.96x = 53,228.28 × 12,106.48
  4. Step 4: Simplify right side
    35,479.96x = 644,407,107.25
  5. Step 5: Solve for x
    x = 644,407,107.25/35,479.96
  6. Step 6: Final answer
    x = 18,162.57

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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.