Home / 30,312.58-41,832.12-16,884.06

Finding the Fourth Proportional to 30,312.58, 41,832.12 and 16,884.06

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Solution

The fourth proportional to 30,312.58, 41,832.12 and 16,884.06 is: 23,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,312.58 : 41,832.12 = 16,884.06 : x
  2. Step 2: Convert to fraction form
    30,312.58/41,832.12 = 16,884.06/x
  3. Step 3: Cross multiply
    30,312.58x = 41,832.12 × 16,884.06
  4. Step 4: Simplify right side
    30,312.58x = 706,296,070.78
  5. Step 5: Solve for x
    x = 706,296,070.78/30,312.58
  6. Step 6: Final answer
    x = 23,300.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.