Home / 30,783.66-42,396.49-26,533.15

Finding the Fourth Proportional to 30,783.66, 42,396.49 and 26,533.15

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Solution

The fourth proportional to 30,783.66, 42,396.49 and 26,533.15 is: 36,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783.66 : 42,396.49 = 26,533.15 : x
  2. Step 2: Convert to fraction form
    30,783.66/42,396.49 = 26,533.15/x
  3. Step 3: Cross multiply
    30,783.66x = 42,396.49 × 26,533.15
  4. Step 4: Simplify right side
    30,783.66x = 1,124,912,355.82
  5. Step 5: Solve for x
    x = 1,124,912,355.82/30,783.66
  6. Step 6: Final answer
    x = 36,542.52

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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.