Home / 45,490.64-62,790.60-28,734.80

Finding the Fourth Proportional to 45,490.64, 62,790.60 and 28,734.80

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Solution

The fourth proportional to 45,490.64, 62,790.60 and 28,734.80 is: 39,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.64 : 62,790.60 = 28,734.80 : x
  2. Step 2: Convert to fraction form
    45,490.64/62,790.60 = 28,734.80/x
  3. Step 3: Cross multiply
    45,490.64x = 62,790.60 × 28,734.80
  4. Step 4: Simplify right side
    45,490.64x = 1,804,275,332.88
  5. Step 5: Solve for x
    x = 1,804,275,332.88/45,490.64
  6. Step 6: Final answer
    x = 39,662.56

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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.