Home / 34,220.64-47,246.70-30,629.37

Finding the Fourth Proportional to 34,220.64, 47,246.70 and 30,629.37

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Solution

The fourth proportional to 34,220.64, 47,246.70 and 30,629.37 is: 42,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.64 : 47,246.70 = 30,629.37 : x
  2. Step 2: Convert to fraction form
    34,220.64/47,246.70 = 30,629.37/x
  3. Step 3: Cross multiply
    34,220.64x = 47,246.70 × 30,629.37
  4. Step 4: Simplify right side
    34,220.64x = 1,447,136,419.35
  5. Step 5: Solve for x
    x = 1,447,136,419.35/34,220.64
  6. Step 6: Final answer
    x = 42,288.42

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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.