Home / 30,752.15-46,119.72-12,028.40

Finding the Fourth Proportional to 30,752.15, 46,119.72 and 12,028.40

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Solution

The fourth proportional to 30,752.15, 46,119.72 and 12,028.40 is: 18,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.15 : 46,119.72 = 12,028.40 : x
  2. Step 2: Convert to fraction form
    30,752.15/46,119.72 = 12,028.40/x
  3. Step 3: Cross multiply
    30,752.15x = 46,119.72 × 12,028.40
  4. Step 4: Simplify right side
    30,752.15x = 554,746,209.45
  5. Step 5: Solve for x
    x = 554,746,209.45/30,752.15
  6. Step 6: Final answer
    x = 18,039.27

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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.