Home / 31,467.64-43,425.48-18,039.67

Finding the Fourth Proportional to 31,467.64, 43,425.48 and 18,039.67

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Solution

The fourth proportional to 31,467.64, 43,425.48 and 18,039.67 is: 24,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.64 : 43,425.48 = 18,039.67 : x
  2. Step 2: Convert to fraction form
    31,467.64/43,425.48 = 18,039.67/x
  3. Step 3: Cross multiply
    31,467.64x = 43,425.48 × 18,039.67
  4. Step 4: Simplify right side
    31,467.64x = 783,381,328.79
  5. Step 5: Solve for x
    x = 783,381,328.79/31,467.64
  6. Step 6: Final answer
    x = 24,894.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.