Home / 53,090.64-73,265.64-30,429.12

Finding the Fourth Proportional to 53,090.64, 73,265.64 and 30,429.12

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Solution

The fourth proportional to 53,090.64, 73,265.64 and 30,429.12 is: 41,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.64 : 73,265.64 = 30,429.12 : x
  2. Step 2: Convert to fraction form
    53,090.64/73,265.64 = 30,429.12/x
  3. Step 3: Cross multiply
    53,090.64x = 73,265.64 × 30,429.12
  4. Step 4: Simplify right side
    53,090.64x = 2,229,408,951.44
  5. Step 5: Solve for x
    x = 2,229,408,951.44/53,090.64
  6. Step 6: Final answer
    x = 41,992.50

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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.