Home / 53,139.66-73,334.88-29,268.60

Finding the Fourth Proportional to 53,139.66, 73,334.88 and 29,268.60

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Solution

The fourth proportional to 53,139.66, 73,334.88 and 29,268.60 is: 40,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139.66 : 73,334.88 = 29,268.60 : x
  2. Step 2: Convert to fraction form
    53,139.66/73,334.88 = 29,268.60/x
  3. Step 3: Cross multiply
    53,139.66x = 73,334.88 × 29,268.60
  4. Step 4: Simplify right side
    53,139.66x = 2,146,409,268.77
  5. Step 5: Solve for x
    x = 2,146,409,268.77/53,139.66
  6. Step 6: Final answer
    x = 40,391.85

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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.