Home / 30,419.76-45,636.06-11,444.52

Finding the Fourth Proportional to 30,419.76, 45,636.06 and 11,444.52

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Solution

The fourth proportional to 30,419.76, 45,636.06 and 11,444.52 is: 17,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.76 : 45,636.06 = 11,444.52 : x
  2. Step 2: Convert to fraction form
    30,419.76/45,636.06 = 11,444.52/x
  3. Step 3: Cross multiply
    30,419.76x = 45,636.06 × 11,444.52
  4. Step 4: Simplify right side
    30,419.76x = 522,282,801.39
  5. Step 5: Solve for x
    x = 522,282,801.39/30,419.76
  6. Step 6: Final answer
    x = 17,169.20

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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.