Home / 55,870.22-77,089.87-31,341.85

Finding the Fourth Proportional to 55,870.22, 77,089.87 and 31,341.85

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Solution

The fourth proportional to 55,870.22, 77,089.87 and 31,341.85 is: 43,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,870.22 : 77,089.87 = 31,341.85 : x
  2. Step 2: Convert to fraction form
    55,870.22/77,089.87 = 31,341.85/x
  3. Step 3: Cross multiply
    55,870.22x = 77,089.87 × 31,341.85
  4. Step 4: Simplify right side
    55,870.22x = 2,416,139,142.06
  5. Step 5: Solve for x
    x = 2,416,139,142.06/55,870.22
  6. Step 6: Final answer
    x = 43,245.56

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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.