Home / 30,997.12-46,488.69-8,810.01

Finding the Fourth Proportional to 30,997.12, 46,488.69 and 8,810.01

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Solution

The fourth proportional to 30,997.12, 46,488.69 and 8,810.01 is: 13,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,997.12 : 46,488.69 = 8,810.01 : x
  2. Step 2: Convert to fraction form
    30,997.12/46,488.69 = 8,810.01/x
  3. Step 3: Cross multiply
    30,997.12x = 46,488.69 × 8,810.01
  4. Step 4: Simplify right side
    30,997.12x = 409,565,823.79
  5. Step 5: Solve for x
    x = 409,565,823.79/30,997.12
  6. Step 6: Final answer
    x = 13,213.03

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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.