Home / 45,585.72-62,858.70-29,640.60

Finding the Fourth Proportional to 45,585.72, 62,858.70 and 29,640.60

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Solution

The fourth proportional to 45,585.72, 62,858.70 and 29,640.60 is: 40,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,585.72 : 62,858.70 = 29,640.60 : x
  2. Step 2: Convert to fraction form
    45,585.72/62,858.70 = 29,640.60/x
  3. Step 3: Cross multiply
    45,585.72x = 62,858.70 × 29,640.60
  4. Step 4: Simplify right side
    45,585.72x = 1,863,169,583.22
  5. Step 5: Solve for x
    x = 1,863,169,583.22/45,585.72
  6. Step 6: Final answer
    x = 40,871.78

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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.