Home / 30,900.87-46,355.75-9,555.25

Finding the Fourth Proportional to 30,900.87, 46,355.75 and 9,555.25

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Solution

The fourth proportional to 30,900.87, 46,355.75 and 9,555.25 is: 14,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.87 : 46,355.75 = 9,555.25 : x
  2. Step 2: Convert to fraction form
    30,900.87/46,355.75 = 9,555.25/x
  3. Step 3: Cross multiply
    30,900.87x = 46,355.75 × 9,555.25
  4. Step 4: Simplify right side
    30,900.87x = 442,940,780.19
  5. Step 5: Solve for x
    x = 442,940,780.19/30,900.87
  6. Step 6: Final answer
    x = 14,334.25

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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.