Home / 30,855.15-46,339.20-28,252.62

Finding the Fourth Proportional to 30,855.15, 46,339.20 and 28,252.62

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Solution

The fourth proportional to 30,855.15, 46,339.20 and 28,252.62 is: 42,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.15 : 46,339.20 = 28,252.62 : x
  2. Step 2: Convert to fraction form
    30,855.15/46,339.20 = 28,252.62/x
  3. Step 3: Cross multiply
    30,855.15x = 46,339.20 × 28,252.62
  4. Step 4: Simplify right side
    30,855.15x = 1,309,203,808.70
  5. Step 5: Solve for x
    x = 1,309,203,808.70/30,855.15
  6. Step 6: Final answer
    x = 42,430.64

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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.