Home / 30,044.36-45,069.63-11,340.15

Finding the Fourth Proportional to 30,044.36, 45,069.63 and 11,340.15

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Solution

The fourth proportional to 30,044.36, 45,069.63 and 11,340.15 is: 17,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.36 : 45,069.63 = 11,340.15 : x
  2. Step 2: Convert to fraction form
    30,044.36/45,069.63 = 11,340.15/x
  3. Step 3: Cross multiply
    30,044.36x = 45,069.63 × 11,340.15
  4. Step 4: Simplify right side
    30,044.36x = 511,096,364.64
  5. Step 5: Solve for x
    x = 511,096,364.64/30,044.36
  6. Step 6: Final answer
    x = 17,011.39

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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.