Home / 31,476.98-43,438.40-17,329.82

Finding the Fourth Proportional to 31,476.98, 43,438.40 and 17,329.82

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Solution

The fourth proportional to 31,476.98, 43,438.40 and 17,329.82 is: 23,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476.98 : 43,438.40 = 17,329.82 : x
  2. Step 2: Convert to fraction form
    31,476.98/43,438.40 = 17,329.82/x
  3. Step 3: Cross multiply
    31,476.98x = 43,438.40 × 17,329.82
  4. Step 4: Simplify right side
    31,476.98x = 752,779,653.09
  5. Step 5: Solve for x
    x = 752,779,653.09/31,476.98
  6. Step 6: Final answer
    x = 23,915.24

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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.