Home / 55,157.67-76,117.68-30,007.17

Finding the Fourth Proportional to 55,157.67, 76,117.68 and 30,007.17

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Solution

The fourth proportional to 55,157.67, 76,117.68 and 30,007.17 is: 41,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157.67 : 76,117.68 = 30,007.17 : x
  2. Step 2: Convert to fraction form
    55,157.67/76,117.68 = 30,007.17/x
  3. Step 3: Cross multiply
    55,157.67x = 76,117.68 × 30,007.17
  4. Step 4: Simplify right side
    55,157.67x = 2,284,076,163.77
  5. Step 5: Solve for x
    x = 2,284,076,163.77/55,157.67
  6. Step 6: Final answer
    x = 41,409.95

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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.