Home / 30,467.60-45,672.24-14,876.72

Finding the Fourth Proportional to 30,467.60, 45,672.24 and 14,876.72

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Solution

The fourth proportional to 30,467.60, 45,672.24 and 14,876.72 is: 22,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.60 : 45,672.24 = 14,876.72 : x
  2. Step 2: Convert to fraction form
    30,467.60/45,672.24 = 14,876.72/x
  3. Step 3: Cross multiply
    30,467.60x = 45,672.24 × 14,876.72
  4. Step 4: Simplify right side
    30,467.60x = 679,453,126.25
  5. Step 5: Solve for x
    x = 679,453,126.25/30,467.60
  6. Step 6: Final answer
    x = 22,300.84

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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.