Home / 55,718.23-76,890.70-30,224.53

Finding the Fourth Proportional to 55,718.23, 76,890.70 and 30,224.53

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Solution

The fourth proportional to 55,718.23, 76,890.70 and 30,224.53 is: 41,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,718.23 : 76,890.70 = 30,224.53 : x
  2. Step 2: Convert to fraction form
    55,718.23/76,890.70 = 30,224.53/x
  3. Step 3: Cross multiply
    55,718.23x = 76,890.70 × 30,224.53
  4. Step 4: Simplify right side
    55,718.23x = 2,323,985,268.87
  5. Step 5: Solve for x
    x = 2,323,985,268.87/55,718.23
  6. Step 6: Final answer
    x = 41,709.60

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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.