Home / 31,376.08-47,021.59-17,315.02

Finding the Fourth Proportional to 31,376.08, 47,021.59 and 17,315.02

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Solution

The fourth proportional to 31,376.08, 47,021.59 and 17,315.02 is: 25,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.08 : 47,021.59 = 17,315.02 : x
  2. Step 2: Convert to fraction form
    31,376.08/47,021.59 = 17,315.02/x
  3. Step 3: Cross multiply
    31,376.08x = 47,021.59 × 17,315.02
  4. Step 4: Simplify right side
    31,376.08x = 814,179,771.28
  5. Step 5: Solve for x
    x = 814,179,771.28/31,376.08
  6. Step 6: Final answer
    x = 25,949.06

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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.