Home / 34,898.81-52,378.43-18,270.47

Finding the Fourth Proportional to 34,898.81, 52,378.43 and 18,270.47

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Solution

The fourth proportional to 34,898.81, 52,378.43 and 18,270.47 is: 27,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,898.81 : 52,378.43 = 18,270.47 : x
  2. Step 2: Convert to fraction form
    34,898.81/52,378.43 = 18,270.47/x
  3. Step 3: Cross multiply
    34,898.81x = 52,378.43 × 18,270.47
  4. Step 4: Simplify right side
    34,898.81x = 956,978,180.72
  5. Step 5: Solve for x
    x = 956,978,180.72/34,898.81
  6. Step 6: Final answer
    x = 27,421.52

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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.