Home / 29,295.84-40,440.24-20,356.32

Finding the Fourth Proportional to 29,295.84, 40,440.24 and 20,356.32

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Solution

The fourth proportional to 29,295.84, 40,440.24 and 20,356.32 is: 28,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.84 : 40,440.24 = 20,356.32 : x
  2. Step 2: Convert to fraction form
    29,295.84/40,440.24 = 20,356.32/x
  3. Step 3: Cross multiply
    29,295.84x = 40,440.24 × 20,356.32
  4. Step 4: Simplify right side
    29,295.84x = 823,214,466.32
  5. Step 5: Solve for x
    x = 823,214,466.32/29,295.84
  6. Step 6: Final answer
    x = 28,100.05

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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.