Home / 52,489.36-78,710.34-15,040.86

Finding the Fourth Proportional to 52,489.36, 78,710.34 and 15,040.86

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Solution

The fourth proportional to 52,489.36, 78,710.34 and 15,040.86 is: 22,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.36 : 78,710.34 = 15,040.86 : x
  2. Step 2: Convert to fraction form
    52,489.36/78,710.34 = 15,040.86/x
  3. Step 3: Cross multiply
    52,489.36x = 78,710.34 × 15,040.86
  4. Step 4: Simplify right side
    52,489.36x = 1,183,870,810.94
  5. Step 5: Solve for x
    x = 1,183,870,810.94/52,489.36
  6. Step 6: Final answer
    x = 22,554.49

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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.