Home / 51,212.21-70,688.47-29,707.39

Finding the Fourth Proportional to 51,212.21, 70,688.47 and 29,707.39

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Solution

The fourth proportional to 51,212.21, 70,688.47 and 29,707.39 is: 41,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.21 : 70,688.47 = 29,707.39 : x
  2. Step 2: Convert to fraction form
    51,212.21/70,688.47 = 29,707.39/x
  3. Step 3: Cross multiply
    51,212.21x = 70,688.47 × 29,707.39
  4. Step 4: Simplify right side
    51,212.21x = 2,099,970,100.14
  5. Step 5: Solve for x
    x = 2,099,970,100.14/51,212.21
  6. Step 6: Final answer
    x = 41,005.26

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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.