Home / 30,423.03-41,678.82-29,285.88

Finding the Fourth Proportional to 30,423.03, 41,678.82 and 29,285.88

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Solution

The fourth proportional to 30,423.03, 41,678.82 and 29,285.88 is: 40,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.03 : 41,678.82 = 29,285.88 : x
  2. Step 2: Convert to fraction form
    30,423.03/41,678.82 = 29,285.88/x
  3. Step 3: Cross multiply
    30,423.03x = 41,678.82 × 29,285.88
  4. Step 4: Simplify right side
    30,423.03x = 1,220,600,921.06
  5. Step 5: Solve for x
    x = 1,220,600,921.06/30,423.03
  6. Step 6: Final answer
    x = 40,120.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.