Home / 30,853.65-46,336.95-28,251.12

Finding the Fourth Proportional to 30,853.65, 46,336.95 and 28,251.12

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Solution

The fourth proportional to 30,853.65, 46,336.95 and 28,251.12 is: 42,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.65 : 46,336.95 = 28,251.12 : x
  2. Step 2: Convert to fraction form
    30,853.65/46,336.95 = 28,251.12/x
  3. Step 3: Cross multiply
    30,853.65x = 46,336.95 × 28,251.12
  4. Step 4: Simplify right side
    30,853.65x = 1,309,070,734.88
  5. Step 5: Solve for x
    x = 1,309,070,734.88/30,853.65
  6. Step 6: Final answer
    x = 42,428.39

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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.