Home / 30,800.72-46,206.78-9,746.06

Finding the Fourth Proportional to 30,800.72, 46,206.78 and 9,746.06

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Solution

The fourth proportional to 30,800.72, 46,206.78 and 9,746.06 is: 14,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.72 : 46,206.78 = 9,746.06 : x
  2. Step 2: Convert to fraction form
    30,800.72/46,206.78 = 9,746.06/x
  3. Step 3: Cross multiply
    30,800.72x = 46,206.78 × 9,746.06
  4. Step 4: Simplify right side
    30,800.72x = 450,334,001.56
  5. Step 5: Solve for x
    x = 450,334,001.56/30,800.72
  6. Step 6: Final answer
    x = 14,620.89

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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.