Home / 47,741.40-71,620.20-14,461.20

Finding the Fourth Proportional to 47,741.40, 71,620.20 and 14,461.20

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Solution

The fourth proportional to 47,741.40, 71,620.20 and 14,461.20 is: 21,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,741.40 : 71,620.20 = 14,461.20 : x
  2. Step 2: Convert to fraction form
    47,741.40/71,620.20 = 14,461.20/x
  3. Step 3: Cross multiply
    47,741.40x = 71,620.20 × 14,461.20
  4. Step 4: Simplify right side
    47,741.40x = 1,035,714,036.24
  5. Step 5: Solve for x
    x = 1,035,714,036.24/47,741.40
  6. Step 6: Final answer
    x = 21,694.25

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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.