Home / 56,281.19-77,678.42-36,163.22

Finding the Fourth Proportional to 56,281.19, 77,678.42 and 36,163.22

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Solution

The fourth proportional to 56,281.19, 77,678.42 and 36,163.22 is: 49,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,281.19 : 77,678.42 = 36,163.22 : x
  2. Step 2: Convert to fraction form
    56,281.19/77,678.42 = 36,163.22/x
  3. Step 3: Cross multiply
    56,281.19x = 77,678.42 × 36,163.22
  4. Step 4: Simplify right side
    56,281.19x = 2,809,101,222.50
  5. Step 5: Solve for x
    x = 2,809,101,222.50/56,281.19
  6. Step 6: Final answer
    x = 49,911.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.