Home / 43,311.63-64,967.44-10,479.63

Finding the Fourth Proportional to 43,311.63, 64,967.44 and 10,479.63

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Solution

The fourth proportional to 43,311.63, 64,967.44 and 10,479.63 is: 15,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.63 : 64,967.44 = 10,479.63 : x
  2. Step 2: Convert to fraction form
    43,311.63/64,967.44 = 10,479.63/x
  3. Step 3: Cross multiply
    43,311.63x = 64,967.44 × 10,479.63
  4. Step 4: Simplify right side
    43,311.63x = 680,834,733.25
  5. Step 5: Solve for x
    x = 680,834,733.25/43,311.63
  6. Step 6: Final answer
    x = 15,719.44

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Similar ratio
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1.5x scale

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.