Home / 51,930.36-71,663.86-28,057.02

Finding the Fourth Proportional to 51,930.36, 71,663.86 and 28,057.02

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Solution

The fourth proportional to 51,930.36, 71,663.86 and 28,057.02 is: 38,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.36 : 71,663.86 = 28,057.02 : x
  2. Step 2: Convert to fraction form
    51,930.36/71,663.86 = 28,057.02/x
  3. Step 3: Cross multiply
    51,930.36x = 71,663.86 × 28,057.02
  4. Step 4: Simplify right side
    51,930.36x = 2,010,674,353.30
  5. Step 5: Solve for x
    x = 2,010,674,353.30/51,930.36
  6. Step 6: Final answer
    x = 38,718.67

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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.