Home / 30,122.88-45,154.44-14,300.10

Finding the Fourth Proportional to 30,122.88, 45,154.44 and 14,300.10

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Solution

The fourth proportional to 30,122.88, 45,154.44 and 14,300.10 is: 21,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.88 : 45,154.44 = 14,300.10 : x
  2. Step 2: Convert to fraction form
    30,122.88/45,154.44 = 14,300.10/x
  3. Step 3: Cross multiply
    30,122.88x = 45,154.44 × 14,300.10
  4. Step 4: Simplify right side
    30,122.88x = 645,713,007.44
  5. Step 5: Solve for x
    x = 645,713,007.44/30,122.88
  6. Step 6: Final answer
    x = 21,435.97

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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.