Home / 31,344.08-47,015.62-12,623.67

Finding the Fourth Proportional to 31,344.08, 47,015.62 and 12,623.67

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Solution

The fourth proportional to 31,344.08, 47,015.62 and 12,623.67 is: 18,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.08 : 47,015.62 = 12,623.67 : x
  2. Step 2: Convert to fraction form
    31,344.08/47,015.62 = 12,623.67/x
  3. Step 3: Cross multiply
    31,344.08x = 47,015.62 × 12,623.67
  4. Step 4: Simplify right side
    31,344.08x = 593,509,640.17
  5. Step 5: Solve for x
    x = 593,509,640.17/31,344.08
  6. Step 6: Final answer
    x = 18,935.31

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1.5x scale

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.