Home / 55,527-76,629.09-30,376.50

Finding the Fourth Proportional to 55,527, 76,629.09 and 30,376.50

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Solution

The fourth proportional to 55,527, 76,629.09 and 30,376.50 is: 41,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,527 : 76,629.09 = 30,376.50 : x
  2. Step 2: Convert to fraction form
    55,527/76,629.09 = 30,376.50/x
  3. Step 3: Cross multiply
    55,527x = 76,629.09 × 30,376.50
  4. Step 4: Simplify right side
    55,527x = 2,327,723,552.39
  5. Step 5: Solve for x
    x = 2,327,723,552.39/55,527
  6. Step 6: Final answer
    x = 41,920.57

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1.5x scale

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.