Home / 31,130.98-42,964.42-17,704.24

Finding the Fourth Proportional to 31,130.98, 42,964.42 and 17,704.24

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Solution

The fourth proportional to 31,130.98, 42,964.42 and 17,704.24 is: 24,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130.98 : 42,964.42 = 17,704.24 : x
  2. Step 2: Convert to fraction form
    31,130.98/42,964.42 = 17,704.24/x
  3. Step 3: Cross multiply
    31,130.98x = 42,964.42 × 17,704.24
  4. Step 4: Simplify right side
    31,130.98x = 760,652,403.14
  5. Step 5: Solve for x
    x = 760,652,403.14/31,130.98
  6. Step 6: Final answer
    x = 24,433.94

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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.