Home / 43,946.64-65,929.44-12,784.32

Finding the Fourth Proportional to 43,946.64, 65,929.44 and 12,784.32

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Solution

The fourth proportional to 43,946.64, 65,929.44 and 12,784.32 is: 19,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,946.64 : 65,929.44 = 12,784.32 : x
  2. Step 2: Convert to fraction form
    43,946.64/65,929.44 = 12,784.32/x
  3. Step 3: Cross multiply
    43,946.64x = 65,929.44 × 12,784.32
  4. Step 4: Simplify right side
    43,946.64x = 842,863,058.38
  5. Step 5: Solve for x
    x = 842,863,058.38/43,946.64
  6. Step 6: Final answer
    x = 19,179.24

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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.