Home / 40,091.62-60,071.76-21,351.76

Finding the Fourth Proportional to 40,091.62, 60,071.76 and 21,351.76

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Solution

The fourth proportional to 40,091.62, 60,071.76 and 21,351.76 is: 31,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.62 : 60,071.76 = 21,351.76 : x
  2. Step 2: Convert to fraction form
    40,091.62/60,071.76 = 21,351.76/x
  3. Step 3: Cross multiply
    40,091.62x = 60,071.76 × 21,351.76
  4. Step 4: Simplify right side
    40,091.62x = 1,282,637,802.30
  5. Step 5: Solve for x
    x = 1,282,637,802.30/40,091.62
  6. Step 6: Final answer
    x = 31,992.67

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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.