Home / 43,256.32-64,920.96-16,979.52

Finding the Fourth Proportional to 43,256.32, 64,920.96 and 16,979.52

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Solution

The fourth proportional to 43,256.32, 64,920.96 and 16,979.52 is: 25,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,256.32 : 64,920.96 = 16,979.52 : x
  2. Step 2: Convert to fraction form
    43,256.32/64,920.96 = 16,979.52/x
  3. Step 3: Cross multiply
    43,256.32x = 64,920.96 × 16,979.52
  4. Step 4: Simplify right side
    43,256.32x = 1,102,326,738.74
  5. Step 5: Solve for x
    x = 1,102,326,738.74/43,256.32
  6. Step 6: Final answer
    x = 25,483.60

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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.