Home / 31,488.67-43,454.40-17,148.52

Finding the Fourth Proportional to 31,488.67, 43,454.40 and 17,148.52

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Solution

The fourth proportional to 31,488.67, 43,454.40 and 17,148.52 is: 23,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.67 : 43,454.40 = 17,148.52 : x
  2. Step 2: Convert to fraction form
    31,488.67/43,454.40 = 17,148.52/x
  3. Step 3: Cross multiply
    31,488.67x = 43,454.40 × 17,148.52
  4. Step 4: Simplify right side
    31,488.67x = 745,178,647.49
  5. Step 5: Solve for x
    x = 745,178,647.49/31,488.67
  6. Step 6: Final answer
    x = 23,664.98

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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.