Home / 30,604.22-45,869.42-15,805.07

Finding the Fourth Proportional to 30,604.22, 45,869.42 and 15,805.07

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Solution

The fourth proportional to 30,604.22, 45,869.42 and 15,805.07 is: 23,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.22 : 45,869.42 = 15,805.07 : x
  2. Step 2: Convert to fraction form
    30,604.22/45,869.42 = 15,805.07/x
  3. Step 3: Cross multiply
    30,604.22x = 45,869.42 × 15,805.07
  4. Step 4: Simplify right side
    30,604.22x = 724,969,085.59
  5. Step 5: Solve for x
    x = 724,969,085.59/30,604.22
  6. Step 6: Final answer
    x = 23,688.54

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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.