Home / 31,328.01-43,234.94-17,898.97

Finding the Fourth Proportional to 31,328.01, 43,234.94 and 17,898.97

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Solution

The fourth proportional to 31,328.01, 43,234.94 and 17,898.97 is: 24,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.01 : 43,234.94 = 17,898.97 : x
  2. Step 2: Convert to fraction form
    31,328.01/43,234.94 = 17,898.97/x
  3. Step 3: Cross multiply
    31,328.01x = 43,234.94 × 17,898.97
  4. Step 4: Simplify right side
    31,328.01x = 773,860,967.80
  5. Step 5: Solve for x
    x = 773,860,967.80/31,328.01
  6. Step 6: Final answer
    x = 24,701.89

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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.