Home / 31,674.45-47,417.03-19,156.61

Finding the Fourth Proportional to 31,674.45, 47,417.03 and 19,156.61

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Solution

The fourth proportional to 31,674.45, 47,417.03 and 19,156.61 is: 28,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,674.45 : 47,417.03 = 19,156.61 : x
  2. Step 2: Convert to fraction form
    31,674.45/47,417.03 = 19,156.61/x
  3. Step 3: Cross multiply
    31,674.45x = 47,417.03 × 19,156.61
  4. Step 4: Simplify right side
    31,674.45x = 908,349,573.83
  5. Step 5: Solve for x
    x = 908,349,573.83/31,674.45
  6. Step 6: Final answer
    x = 28,677.67

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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.