Home / 51,636.88-77,456.13-20,048.77

Finding the Fourth Proportional to 51,636.88, 77,456.13 and 20,048.77

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Solution

The fourth proportional to 51,636.88, 77,456.13 and 20,048.77 is: 30,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,636.88 : 77,456.13 = 20,048.77 : x
  2. Step 2: Convert to fraction form
    51,636.88/77,456.13 = 20,048.77/x
  3. Step 3: Cross multiply
    51,636.88x = 77,456.13 × 20,048.77
  4. Step 4: Simplify right side
    51,636.88x = 1,552,900,135.46
  5. Step 5: Solve for x
    x = 1,552,900,135.46/51,636.88
  6. Step 6: Final answer
    x = 30,073.47

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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.