Home / 31,990.44-44,157.81-19,250.76

Finding the Fourth Proportional to 31,990.44, 44,157.81 and 19,250.76

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Solution

The fourth proportional to 31,990.44, 44,157.81 and 19,250.76 is: 26,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.44 : 44,157.81 = 19,250.76 : x
  2. Step 2: Convert to fraction form
    31,990.44/44,157.81 = 19,250.76/x
  3. Step 3: Cross multiply
    31,990.44x = 44,157.81 × 19,250.76
  4. Step 4: Simplify right side
    31,990.44x = 850,071,402.44
  5. Step 5: Solve for x
    x = 850,071,402.44/31,990.44
  6. Step 6: Final answer
    x = 26,572.67

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Double scale
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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.