Home / 31,547.89-47,339.24-18,237.25

Finding the Fourth Proportional to 31,547.89, 47,339.24 and 18,237.25

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Solution

The fourth proportional to 31,547.89, 47,339.24 and 18,237.25 is: 27,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.89 : 47,339.24 = 18,237.25 : x
  2. Step 2: Convert to fraction form
    31,547.89/47,339.24 = 18,237.25/x
  3. Step 3: Cross multiply
    31,547.89x = 47,339.24 × 18,237.25
  4. Step 4: Simplify right side
    31,547.89x = 863,337,554.69
  5. Step 5: Solve for x
    x = 863,337,554.69/31,547.89
  6. Step 6: Final answer
    x = 27,365.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.