Home / 34,220.06-47,222.35-21,480.08

Finding the Fourth Proportional to 34,220.06, 47,222.35 and 21,480.08

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Solution

The fourth proportional to 34,220.06, 47,222.35 and 21,480.08 is: 29,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.06 : 47,222.35 = 21,480.08 : x
  2. Step 2: Convert to fraction form
    34,220.06/47,222.35 = 21,480.08/x
  3. Step 3: Cross multiply
    34,220.06x = 47,222.35 × 21,480.08
  4. Step 4: Simplify right side
    34,220.06x = 1,014,339,855.79
  5. Step 5: Solve for x
    x = 1,014,339,855.79/34,220.06
  6. Step 6: Final answer
    x = 29,641.67

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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.