Home / 30,882.20-46,235.04-28,920.45

Finding the Fourth Proportional to 30,882.20, 46,235.04 and 28,920.45

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Solution

The fourth proportional to 30,882.20, 46,235.04 and 28,920.45 is: 43,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.20 : 46,235.04 = 28,920.45 : x
  2. Step 2: Convert to fraction form
    30,882.20/46,235.04 = 28,920.45/x
  3. Step 3: Cross multiply
    30,882.20x = 46,235.04 × 28,920.45
  4. Step 4: Simplify right side
    30,882.20x = 1,337,138,162.57
  5. Step 5: Solve for x
    x = 1,337,138,162.57/30,882.20
  6. Step 6: Final answer
    x = 43,298.03

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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.