Home / 34,419.77-47,493.65-20,270.69

Finding the Fourth Proportional to 34,419.77, 47,493.65 and 20,270.69

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Solution

The fourth proportional to 34,419.77, 47,493.65 and 20,270.69 is: 27,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,419.77 : 47,493.65 = 20,270.69 : x
  2. Step 2: Convert to fraction form
    34,419.77/47,493.65 = 20,270.69/x
  3. Step 3: Cross multiply
    34,419.77x = 47,493.65 × 20,270.69
  4. Step 4: Simplify right side
    34,419.77x = 962,728,954.77
  5. Step 5: Solve for x
    x = 962,728,954.77/34,419.77
  6. Step 6: Final answer
    x = 27,970.23

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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.