Home / 30,165.07-41,621.11-17,415.49

Finding the Fourth Proportional to 30,165.07, 41,621.11 and 17,415.49

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Solution

The fourth proportional to 30,165.07, 41,621.11 and 17,415.49 is: 24,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.07 : 41,621.11 = 17,415.49 : x
  2. Step 2: Convert to fraction form
    30,165.07/41,621.11 = 17,415.49/x
  3. Step 3: Cross multiply
    30,165.07x = 41,621.11 × 17,415.49
  4. Step 4: Simplify right side
    30,165.07x = 724,852,024.99
  5. Step 5: Solve for x
    x = 724,852,024.99/30,165.07
  6. Step 6: Final answer
    x = 24,029.52

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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.