Home / 34,812.09-47,919.27-30,047.15

Finding the Fourth Proportional to 34,812.09, 47,919.27 and 30,047.15

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Solution

The fourth proportional to 34,812.09, 47,919.27 and 30,047.15 is: 41,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,812.09 : 47,919.27 = 30,047.15 : x
  2. Step 2: Convert to fraction form
    34,812.09/47,919.27 = 30,047.15/x
  3. Step 3: Cross multiply
    34,812.09x = 47,919.27 × 30,047.15
  4. Step 4: Simplify right side
    34,812.09x = 1,439,837,493.58
  5. Step 5: Solve for x
    x = 1,439,837,493.58/34,812.09
  6. Step 6: Final answer
    x = 41,360.27

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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.