Home / 30,982.61-42,758.58-19,048.88

Finding the Fourth Proportional to 30,982.61, 42,758.58 and 19,048.88

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Solution

The fourth proportional to 30,982.61, 42,758.58 and 19,048.88 is: 26,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.61 : 42,758.58 = 19,048.88 : x
  2. Step 2: Convert to fraction form
    30,982.61/42,758.58 = 19,048.88/x
  3. Step 3: Cross multiply
    30,982.61x = 42,758.58 × 19,048.88
  4. Step 4: Simplify right side
    30,982.61x = 814,502,845.60
  5. Step 5: Solve for x
    x = 814,502,845.60/30,982.61
  6. Step 6: Final answer
    x = 26,289.04

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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.