Home / 20,074.36-30,140.70-14,825.56

Finding the Fourth Proportional to 20,074.36, 30,140.70 and 14,825.56

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Solution

The fourth proportional to 20,074.36, 30,140.70 and 14,825.56 is: 22,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.36 : 30,140.70 = 14,825.56 : x
  2. Step 2: Convert to fraction form
    20,074.36/30,140.70 = 14,825.56/x
  3. Step 3: Cross multiply
    20,074.36x = 30,140.70 × 14,825.56
  4. Step 4: Simplify right side
    20,074.36x = 446,852,756.29
  5. Step 5: Solve for x
    x = 446,852,756.29/20,074.36
  6. Step 6: Final answer
    x = 22,259.88

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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.