Home / 31,705.72-47,558.58-17,847.16

Finding the Fourth Proportional to 31,705.72, 47,558.58 and 17,847.16

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Solution

The fourth proportional to 31,705.72, 47,558.58 and 17,847.16 is: 26,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.72 : 47,558.58 = 17,847.16 : x
  2. Step 2: Convert to fraction form
    31,705.72/47,558.58 = 17,847.16/x
  3. Step 3: Cross multiply
    31,705.72x = 47,558.58 × 17,847.16
  4. Step 4: Simplify right side
    31,705.72x = 848,785,586.63
  5. Step 5: Solve for x
    x = 848,785,586.63/31,705.72
  6. Step 6: Final answer
    x = 26,770.74

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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.