Home / 34,629.74-47,784.96-21,208.82

Finding the Fourth Proportional to 34,629.74, 47,784.96 and 21,208.82

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Solution

The fourth proportional to 34,629.74, 47,784.96 and 21,208.82 is: 29,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,629.74 : 47,784.96 = 21,208.82 : x
  2. Step 2: Convert to fraction form
    34,629.74/47,784.96 = 21,208.82/x
  3. Step 3: Cross multiply
    34,629.74x = 47,784.96 × 21,208.82
  4. Step 4: Simplify right side
    34,629.74x = 1,013,462,615.35
  5. Step 5: Solve for x
    x = 1,013,462,615.35/34,629.74
  6. Step 6: Final answer
    x = 29,265.67

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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.