Home / 29,506.78-40,718.96-16,078.60

Finding the Fourth Proportional to 29,506.78, 40,718.96 and 16,078.60

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Solution

The fourth proportional to 29,506.78, 40,718.96 and 16,078.60 is: 22,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,506.78 : 40,718.96 = 16,078.60 : x
  2. Step 2: Convert to fraction form
    29,506.78/40,718.96 = 16,078.60/x
  3. Step 3: Cross multiply
    29,506.78x = 40,718.96 × 16,078.60
  4. Step 4: Simplify right side
    29,506.78x = 654,703,870.26
  5. Step 5: Solve for x
    x = 654,703,870.26/29,506.78
  6. Step 6: Final answer
    x = 22,188.25

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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.