Home / 31,817.36-43,907.72-17,670.18

Finding the Fourth Proportional to 31,817.36, 43,907.72 and 17,670.18

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Solution

The fourth proportional to 31,817.36, 43,907.72 and 17,670.18 is: 24,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817.36 : 43,907.72 = 17,670.18 : x
  2. Step 2: Convert to fraction form
    31,817.36/43,907.72 = 17,670.18/x
  3. Step 3: Cross multiply
    31,817.36x = 43,907.72 × 17,670.18
  4. Step 4: Simplify right side
    31,817.36x = 775,857,315.79
  5. Step 5: Solve for x
    x = 775,857,315.79/31,817.36
  6. Step 6: Final answer
    x = 24,384.72

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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.