Home / 30,190.73-45,285.95-25,706.63

Finding the Fourth Proportional to 30,190.73, 45,285.95 and 25,706.63

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Solution

The fourth proportional to 30,190.73, 45,285.95 and 25,706.63 is: 38,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.73 : 45,285.95 = 25,706.63 : x
  2. Step 2: Convert to fraction form
    30,190.73/45,285.95 = 25,706.63/x
  3. Step 3: Cross multiply
    30,190.73x = 45,285.95 × 25,706.63
  4. Step 4: Simplify right side
    30,190.73x = 1,164,149,338.33
  5. Step 5: Solve for x
    x = 1,164,149,338.33/30,190.73
  6. Step 6: Final answer
    x = 38,559.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.