Home / 43,315.32-64,975.29-13,735.47

Finding the Fourth Proportional to 43,315.32, 64,975.29 and 13,735.47

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Solution

The fourth proportional to 43,315.32, 64,975.29 and 13,735.47 is: 20,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.32 : 64,975.29 = 13,735.47 : x
  2. Step 2: Convert to fraction form
    43,315.32/64,975.29 = 13,735.47/x
  3. Step 3: Cross multiply
    43,315.32x = 64,975.29 × 13,735.47
  4. Step 4: Simplify right side
    43,315.32x = 892,466,146.54
  5. Step 5: Solve for x
    x = 892,466,146.54/43,315.32
  6. Step 6: Final answer
    x = 20,603.94

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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.