Home / 51,852.50-77,790.27-19,020.50

Finding the Fourth Proportional to 51,852.50, 77,790.27 and 19,020.50

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Solution

The fourth proportional to 51,852.50, 77,790.27 and 19,020.50 is: 28,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,852.50 : 77,790.27 = 19,020.50 : x
  2. Step 2: Convert to fraction form
    51,852.50/77,790.27 = 19,020.50/x
  3. Step 3: Cross multiply
    51,852.50x = 77,790.27 × 19,020.50
  4. Step 4: Simplify right side
    51,852.50x = 1,479,609,830.54
  5. Step 5: Solve for x
    x = 1,479,609,830.54/51,852.50
  6. Step 6: Final answer
    x = 28,534.98

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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.