Home / 34,361.36-47,426.64-20,218.76

Finding the Fourth Proportional to 34,361.36, 47,426.64 and 20,218.76

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Solution

The fourth proportional to 34,361.36, 47,426.64 and 20,218.76 is: 27,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,361.36 : 47,426.64 = 20,218.76 : x
  2. Step 2: Convert to fraction form
    34,361.36/47,426.64 = 20,218.76/x
  3. Step 3: Cross multiply
    34,361.36x = 47,426.64 × 20,218.76
  4. Step 4: Simplify right side
    34,361.36x = 958,907,851.77
  5. Step 5: Solve for x
    x = 958,907,851.77/34,361.36
  6. Step 6: Final answer
    x = 27,906.57

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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.