Home / 47,431.34-71,157.57-14,151.98

Finding the Fourth Proportional to 47,431.34, 71,157.57 and 14,151.98

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Solution

The fourth proportional to 47,431.34, 71,157.57 and 14,151.98 is: 21,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.34 : 71,157.57 = 14,151.98 : x
  2. Step 2: Convert to fraction form
    47,431.34/71,157.57 = 14,151.98/x
  3. Step 3: Cross multiply
    47,431.34x = 71,157.57 × 14,151.98
  4. Step 4: Simplify right side
    47,431.34x = 1,007,020,507.49
  5. Step 5: Solve for x
    x = 1,007,020,507.49/47,431.34
  6. Step 6: Final answer
    x = 21,231.12

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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.