Home / 51,602.42-71,174.03-31,460.15

Finding the Fourth Proportional to 51,602.42, 71,174.03 and 31,460.15

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Solution

The fourth proportional to 51,602.42, 71,174.03 and 31,460.15 is: 43,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,602.42 : 71,174.03 = 31,460.15 : x
  2. Step 2: Convert to fraction form
    51,602.42/71,174.03 = 31,460.15/x
  3. Step 3: Cross multiply
    51,602.42x = 71,174.03 × 31,460.15
  4. Step 4: Simplify right side
    51,602.42x = 2,239,145,146.73
  5. Step 5: Solve for x
    x = 2,239,145,146.73/51,602.42
  6. Step 6: Final answer
    x = 43,392.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.