Home / 31,835.56-47,736.86-14,290.28

Finding the Fourth Proportional to 31,835.56, 47,736.86 and 14,290.28

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Solution

The fourth proportional to 31,835.56, 47,736.86 and 14,290.28 is: 21,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.56 : 47,736.86 = 14,290.28 : x
  2. Step 2: Convert to fraction form
    31,835.56/47,736.86 = 14,290.28/x
  3. Step 3: Cross multiply
    31,835.56x = 47,736.86 × 14,290.28
  4. Step 4: Simplify right side
    31,835.56x = 682,173,095.72
  5. Step 5: Solve for x
    x = 682,173,095.72/31,835.56
  6. Step 6: Final answer
    x = 21,428.02

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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.