Home / 45,880.88-63,288.78-28,858.28

Finding the Fourth Proportional to 45,880.88, 63,288.78 and 28,858.28

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Solution

The fourth proportional to 45,880.88, 63,288.78 and 28,858.28 is: 39,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,880.88 : 63,288.78 = 28,858.28 : x
  2. Step 2: Convert to fraction form
    45,880.88/63,288.78 = 28,858.28/x
  3. Step 3: Cross multiply
    45,880.88x = 63,288.78 × 28,858.28
  4. Step 4: Simplify right side
    45,880.88x = 1,826,405,334.10
  5. Step 5: Solve for x
    x = 1,826,405,334.10/45,880.88
  6. Step 6: Final answer
    x = 39,807.55

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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.