Home / 30,328.62-45,497.78-12,801.03

Finding the Fourth Proportional to 30,328.62, 45,497.78 and 12,801.03

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Solution

The fourth proportional to 30,328.62, 45,497.78 and 12,801.03 is: 19,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.62 : 45,497.78 = 12,801.03 : x
  2. Step 2: Convert to fraction form
    30,328.62/45,497.78 = 12,801.03/x
  3. Step 3: Cross multiply
    30,328.62x = 45,497.78 × 12,801.03
  4. Step 4: Simplify right side
    30,328.62x = 582,418,382.71
  5. Step 5: Solve for x
    x = 582,418,382.71/30,328.62
  6. Step 6: Final answer
    x = 19,203.59

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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.