Home / 31,237.08-43,107.12-17,089.98

Finding the Fourth Proportional to 31,237.08, 43,107.12 and 17,089.98

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Solution

The fourth proportional to 31,237.08, 43,107.12 and 17,089.98 is: 23,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.08 : 43,107.12 = 17,089.98 : x
  2. Step 2: Convert to fraction form
    31,237.08/43,107.12 = 17,089.98/x
  3. Step 3: Cross multiply
    31,237.08x = 43,107.12 × 17,089.98
  4. Step 4: Simplify right side
    31,237.08x = 736,699,818.66
  5. Step 5: Solve for x
    x = 736,699,818.66/31,237.08
  6. Step 6: Final answer
    x = 23,584.14

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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.