Home / 31,576.55-43,575.30-17,429.09

Finding the Fourth Proportional to 31,576.55, 43,575.30 and 17,429.09

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Solution

The fourth proportional to 31,576.55, 43,575.30 and 17,429.09 is: 24,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,576.55 : 43,575.30 = 17,429.09 : x
  2. Step 2: Convert to fraction form
    31,576.55/43,575.30 = 17,429.09/x
  3. Step 3: Cross multiply
    31,576.55x = 43,575.30 × 17,429.09
  4. Step 4: Simplify right side
    31,576.55x = 759,477,607.60
  5. Step 5: Solve for x
    x = 759,477,607.60/31,576.55
  6. Step 6: Final answer
    x = 24,051.95

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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.