Home / 32,840.64-49,280.40-12,078.72

Finding the Fourth Proportional to 32,840.64, 49,280.40 and 12,078.72

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Solution

The fourth proportional to 32,840.64, 49,280.40 and 12,078.72 is: 18,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,840.64 : 49,280.40 = 12,078.72 : x
  2. Step 2: Convert to fraction form
    32,840.64/49,280.40 = 12,078.72/x
  3. Step 3: Cross multiply
    32,840.64x = 49,280.40 × 12,078.72
  4. Step 4: Simplify right side
    32,840.64x = 595,244,153.09
  5. Step 5: Solve for x
    x = 595,244,153.09/32,840.64
  6. Step 6: Final answer
    x = 18,125.23

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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.