Home / 51,130.31-70,540.73-51,051.36

Finding the Fourth Proportional to 51,130.31, 70,540.73 and 51,051.36

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Solution

The fourth proportional to 51,130.31, 70,540.73 and 51,051.36 is: 70,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,130.31 : 70,540.73 = 51,051.36 : x
  2. Step 2: Convert to fraction form
    51,130.31/70,540.73 = 51,051.36/x
  3. Step 3: Cross multiply
    51,130.31x = 70,540.73 × 51,051.36
  4. Step 4: Simplify right side
    51,130.31x = 3,601,199,946.64
  5. Step 5: Solve for x
    x = 3,601,199,946.64/51,130.31
  6. Step 6: Final answer
    x = 70,431.81

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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.