Home / 31,756.36-43,806.06-29,503.72

Finding the Fourth Proportional to 31,756.36, 43,806.06 and 29,503.72

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Solution

The fourth proportional to 31,756.36, 43,806.06 and 29,503.72 is: 40,698.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,756.36 : 43,806.06 = 29,503.72 : x
  2. Step 2: Convert to fraction form
    31,756.36/43,806.06 = 29,503.72/x
  3. Step 3: Cross multiply
    31,756.36x = 43,806.06 × 29,503.72
  4. Step 4: Simplify right side
    31,756.36x = 1,292,441,728.54
  5. Step 5: Solve for x
    x = 1,292,441,728.54/31,756.36
  6. Step 6: Final answer
    x = 40,698.67

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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.