Home / 51,213.21-70,689.85-29,708.39

Finding the Fourth Proportional to 51,213.21, 70,689.85 and 29,708.39

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Solution

The fourth proportional to 51,213.21, 70,689.85 and 29,708.39 is: 41,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.21 : 70,689.85 = 29,708.39 : x
  2. Step 2: Convert to fraction form
    51,213.21/70,689.85 = 29,708.39/x
  3. Step 3: Cross multiply
    51,213.21x = 70,689.85 × 29,708.39
  4. Step 4: Simplify right side
    51,213.21x = 2,100,081,632.84
  5. Step 5: Solve for x
    x = 2,100,081,632.84/51,213.21
  6. Step 6: Final answer
    x = 41,006.64

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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.