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Finding the Fourth Proportional to 47,343.42, 71,109.71 and 29,605.64

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Solution

The fourth proportional to 47,343.42, 71,109.71 and 29,605.64 is: 44,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,343.42 : 71,109.71 = 29,605.64 : x
  2. Step 2: Convert to fraction form
    47,343.42/71,109.71 = 29,605.64/x
  3. Step 3: Cross multiply
    47,343.42x = 71,109.71 × 29,605.64
  4. Step 4: Simplify right side
    47,343.42x = 2,105,248,474.76
  5. Step 5: Solve for x
    x = 2,105,248,474.76/47,343.42
  6. Step 6: Final answer
    x = 44,467.60

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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.