Home / 55,828.10-77,043.07-30,334.53

Finding the Fourth Proportional to 55,828.10, 77,043.07 and 30,334.53

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Solution

The fourth proportional to 55,828.10, 77,043.07 and 30,334.53 is: 41,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.10 : 77,043.07 = 30,334.53 : x
  2. Step 2: Convert to fraction form
    55,828.10/77,043.07 = 30,334.53/x
  3. Step 3: Cross multiply
    55,828.10x = 77,043.07 × 30,334.53
  4. Step 4: Simplify right side
    55,828.10x = 2,337,065,166.53
  5. Step 5: Solve for x
    x = 2,337,065,166.53/55,828.10
  6. Step 6: Final answer
    x = 41,861.81

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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.