Home / 30,119.36-45,179.40-14,326.07

Finding the Fourth Proportional to 30,119.36, 45,179.40 and 14,326.07

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Solution

The fourth proportional to 30,119.36, 45,179.40 and 14,326.07 is: 21,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.36 : 45,179.40 = 14,326.07 : x
  2. Step 2: Convert to fraction form
    30,119.36/45,179.40 = 14,326.07/x
  3. Step 3: Cross multiply
    30,119.36x = 45,179.40 × 14,326.07
  4. Step 4: Simplify right side
    30,119.36x = 647,243,246.96
  5. Step 5: Solve for x
    x = 647,243,246.96/30,119.36
  6. Step 6: Final answer
    x = 21,489.28

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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.