Home / 31,868.93-47,803.37-15,178.37

Finding the Fourth Proportional to 31,868.93, 47,803.37 and 15,178.37

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Solution

The fourth proportional to 31,868.93, 47,803.37 and 15,178.37 is: 22,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.93 : 47,803.37 = 15,178.37 : x
  2. Step 2: Convert to fraction form
    31,868.93/47,803.37 = 15,178.37/x
  3. Step 3: Cross multiply
    31,868.93x = 47,803.37 × 15,178.37
  4. Step 4: Simplify right side
    31,868.93x = 725,577,036.04
  5. Step 5: Solve for x
    x = 725,577,036.04/31,868.93
  6. Step 6: Final answer
    x = 22,767.54

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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.