Home / 31,515.98-43,491.67-17,368.52

Finding the Fourth Proportional to 31,515.98, 43,491.67 and 17,368.52

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Solution

The fourth proportional to 31,515.98, 43,491.67 and 17,368.52 is: 23,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.98 : 43,491.67 = 17,368.52 : x
  2. Step 2: Convert to fraction form
    31,515.98/43,491.67 = 17,368.52/x
  3. Step 3: Cross multiply
    31,515.98x = 43,491.67 × 17,368.52
  4. Step 4: Simplify right side
    31,515.98x = 755,385,679.35
  5. Step 5: Solve for x
    x = 755,385,679.35/31,515.98
  6. Step 6: Final answer
    x = 23,968.34

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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.