Home / 51,405.24-70,954.32-29,900.05

Finding the Fourth Proportional to 51,405.24, 70,954.32 and 29,900.05

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Solution

The fourth proportional to 51,405.24, 70,954.32 and 29,900.05 is: 41,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,405.24 : 70,954.32 = 29,900.05 : x
  2. Step 2: Convert to fraction form
    51,405.24/70,954.32 = 29,900.05/x
  3. Step 3: Cross multiply
    51,405.24x = 70,954.32 × 29,900.05
  4. Step 4: Simplify right side
    51,405.24x = 2,121,537,650.46
  5. Step 5: Solve for x
    x = 2,121,537,650.46/51,405.24
  6. Step 6: Final answer
    x = 41,270.84

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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.