Home / 55,534.50-76,639.23-30,385.62

Finding the Fourth Proportional to 55,534.50, 76,639.23 and 30,385.62

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Solution

The fourth proportional to 55,534.50, 76,639.23 and 30,385.62 is: 41,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,534.50 : 76,639.23 = 30,385.62 : x
  2. Step 2: Convert to fraction form
    55,534.50/76,639.23 = 30,385.62/x
  3. Step 3: Cross multiply
    55,534.50x = 76,639.23 × 30,385.62
  4. Step 4: Simplify right side
    55,534.50x = 2,328,730,519.87
  5. Step 5: Solve for x
    x = 2,328,730,519.87/55,534.50
  6. Step 6: Final answer
    x = 41,933.04

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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.