Home / 53,120.52-79,662.21-15,670.67

Finding the Fourth Proportional to 53,120.52, 79,662.21 and 15,670.67

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Solution

The fourth proportional to 53,120.52, 79,662.21 and 15,670.67 is: 23,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.52 : 79,662.21 = 15,670.67 : x
  2. Step 2: Convert to fraction form
    53,120.52/79,662.21 = 15,670.67/x
  3. Step 3: Cross multiply
    53,120.52x = 79,662.21 × 15,670.67
  4. Step 4: Simplify right side
    53,120.52x = 1,248,359,806.07
  5. Step 5: Solve for x
    x = 1,248,359,806.07/53,120.52
  6. Step 6: Final answer
    x = 23,500.52

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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.