Home / 45,533.57-68,283.95-19,240.36

Finding the Fourth Proportional to 45,533.57, 68,283.95 and 19,240.36

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Solution

The fourth proportional to 45,533.57, 68,283.95 and 19,240.36 is: 28,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,533.57 : 68,283.95 = 19,240.36 : x
  2. Step 2: Convert to fraction form
    45,533.57/68,283.95 = 19,240.36/x
  3. Step 3: Cross multiply
    45,533.57x = 68,283.95 × 19,240.36
  4. Step 4: Simplify right side
    45,533.57x = 1,313,807,513.31
  5. Step 5: Solve for x
    x = 1,313,807,513.31/45,533.57
  6. Step 6: Final answer
    x = 28,853.61

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1.5x scale

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.