Home / 30,022.76-45,033.36-9,759.41

Finding the Fourth Proportional to 30,022.76, 45,033.36 and 9,759.41

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Solution

The fourth proportional to 30,022.76, 45,033.36 and 9,759.41 is: 14,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.76 : 45,033.36 = 9,759.41 : x
  2. Step 2: Convert to fraction form
    30,022.76/45,033.36 = 9,759.41/x
  3. Step 3: Cross multiply
    30,022.76x = 45,033.36 × 9,759.41
  4. Step 4: Simplify right side
    30,022.76x = 439,498,835.35
  5. Step 5: Solve for x
    x = 439,498,835.35/30,022.76
  6. Step 6: Final answer
    x = 14,638.86

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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.