Home / 31,314.19-43,213.42-16,973.96

Finding the Fourth Proportional to 31,314.19, 43,213.42 and 16,973.96

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Solution

The fourth proportional to 31,314.19, 43,213.42 and 16,973.96 is: 23,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.19 : 43,213.42 = 16,973.96 : x
  2. Step 2: Convert to fraction form
    31,314.19/43,213.42 = 16,973.96/x
  3. Step 3: Cross multiply
    31,314.19x = 43,213.42 × 16,973.96
  4. Step 4: Simplify right side
    31,314.19x = 733,502,777.67
  5. Step 5: Solve for x
    x = 733,502,777.67/31,314.19
  6. Step 6: Final answer
    x = 23,423.98

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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.