Home / 30,260.87-41,748.54-18,770.46

Finding the Fourth Proportional to 30,260.87, 41,748.54 and 18,770.46

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Solution

The fourth proportional to 30,260.87, 41,748.54 and 18,770.46 is: 25,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.87 : 41,748.54 = 18,770.46 : x
  2. Step 2: Convert to fraction form
    30,260.87/41,748.54 = 18,770.46/x
  3. Step 3: Cross multiply
    30,260.87x = 41,748.54 × 18,770.46
  4. Step 4: Simplify right side
    30,260.87x = 783,639,300.13
  5. Step 5: Solve for x
    x = 783,639,300.13/30,260.87
  6. Step 6: Final answer
    x = 25,896.13

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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.