Home / 34,220.39-47,246.36-30,629.12

Finding the Fourth Proportional to 34,220.39, 47,246.36 and 30,629.12

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Solution

The fourth proportional to 34,220.39, 47,246.36 and 30,629.12 is: 42,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.39 : 47,246.36 = 30,629.12 : x
  2. Step 2: Convert to fraction form
    34,220.39/47,246.36 = 30,629.12/x
  3. Step 3: Cross multiply
    34,220.39x = 47,246.36 × 30,629.12
  4. Step 4: Simplify right side
    34,220.39x = 1,447,114,040.63
  5. Step 5: Solve for x
    x = 1,447,114,040.63/34,220.39
  6. Step 6: Final answer
    x = 42,288.07

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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.