Home / 53,684.40-74,086.38-29,811.48

Finding the Fourth Proportional to 53,684.40, 74,086.38 and 29,811.48

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Solution

The fourth proportional to 53,684.40, 74,086.38 and 29,811.48 is: 41,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,684.40 : 74,086.38 = 29,811.48 : x
  2. Step 2: Convert to fraction form
    53,684.40/74,086.38 = 29,811.48/x
  3. Step 3: Cross multiply
    53,684.40x = 74,086.38 × 29,811.48
  4. Step 4: Simplify right side
    53,684.40x = 2,208,624,635.64
  5. Step 5: Solve for x
    x = 2,208,624,635.64/53,684.40
  6. Step 6: Final answer
    x = 41,140.90

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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.