Home / 29,135.12-43,696.34-10,416.45

Finding the Fourth Proportional to 29,135.12, 43,696.34 and 10,416.45

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Solution

The fourth proportional to 29,135.12, 43,696.34 and 10,416.45 is: 15,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.12 : 43,696.34 = 10,416.45 : x
  2. Step 2: Convert to fraction form
    29,135.12/43,696.34 = 10,416.45/x
  3. Step 3: Cross multiply
    29,135.12x = 43,696.34 × 10,416.45
  4. Step 4: Simplify right side
    29,135.12x = 455,160,740.79
  5. Step 5: Solve for x
    x = 455,160,740.79/29,135.12
  6. Step 6: Final answer
    x = 15,622.41

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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.