Home / 53,141.40-73,335.60-29,268.90

Finding the Fourth Proportional to 53,141.40, 73,335.60 and 29,268.90

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Solution

The fourth proportional to 53,141.40, 73,335.60 and 29,268.90 is: 40,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.40 : 73,335.60 = 29,268.90 : x
  2. Step 2: Convert to fraction form
    53,141.40/73,335.60 = 29,268.90/x
  3. Step 3: Cross multiply
    53,141.40x = 73,335.60 × 29,268.90
  4. Step 4: Simplify right side
    53,141.40x = 2,146,452,342.84
  5. Step 5: Solve for x
    x = 2,146,452,342.84/53,141.40
  6. Step 6: Final answer
    x = 40,391.34

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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.