Home / 55,434.47-76,499.58-29,940.84

Finding the Fourth Proportional to 55,434.47, 76,499.58 and 29,940.84

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Solution

The fourth proportional to 55,434.47, 76,499.58 and 29,940.84 is: 41,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.47 : 76,499.58 = 29,940.84 : x
  2. Step 2: Convert to fraction form
    55,434.47/76,499.58 = 29,940.84/x
  3. Step 3: Cross multiply
    55,434.47x = 76,499.58 × 29,940.84
  4. Step 4: Simplify right side
    55,434.47x = 2,290,461,684.85
  5. Step 5: Solve for x
    x = 2,290,461,684.85/55,434.47
  6. Step 6: Final answer
    x = 41,318.37

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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.