Home / 30,289.77-41,780.43-19,548.36

Finding the Fourth Proportional to 30,289.77, 41,780.43 and 19,548.36

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Solution

The fourth proportional to 30,289.77, 41,780.43 and 19,548.36 is: 26,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.77 : 41,780.43 = 19,548.36 : x
  2. Step 2: Convert to fraction form
    30,289.77/41,780.43 = 19,548.36/x
  3. Step 3: Cross multiply
    30,289.77x = 41,780.43 × 19,548.36
  4. Step 4: Simplify right side
    30,289.77x = 816,738,886.59
  5. Step 5: Solve for x
    x = 816,738,886.59/30,289.77
  6. Step 6: Final answer
    x = 26,964.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.