Home / 31,301.12-46,966.86-13,768.67

Finding the Fourth Proportional to 31,301.12, 46,966.86 and 13,768.67

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Solution

The fourth proportional to 31,301.12, 46,966.86 and 13,768.67 is: 20,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.12 : 46,966.86 = 13,768.67 : x
  2. Step 2: Convert to fraction form
    31,301.12/46,966.86 = 13,768.67/x
  3. Step 3: Cross multiply
    31,301.12x = 46,966.86 × 13,768.67
  4. Step 4: Simplify right side
    31,301.12x = 646,670,961.44
  5. Step 5: Solve for x
    x = 646,670,961.44/31,301.12
  6. Step 6: Final answer
    x = 20,659.68

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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.