Home / 60,012.44-90,028.30-30,418.28

Finding the Fourth Proportional to 60,012.44, 90,028.30 and 30,418.28

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Solution

The fourth proportional to 60,012.44, 90,028.30 and 30,418.28 is: 45,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.44 : 90,028.30 = 30,418.28 : x
  2. Step 2: Convert to fraction form
    60,012.44/90,028.30 = 30,418.28/x
  3. Step 3: Cross multiply
    60,012.44x = 90,028.30 × 30,418.28
  4. Step 4: Simplify right side
    60,012.44x = 2,738,506,037.32
  5. Step 5: Solve for x
    x = 2,738,506,037.32/60,012.44
  6. Step 6: Final answer
    x = 45,632.31

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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.