Home / 53,878.64-74,350.86-30,004.82

Finding the Fourth Proportional to 53,878.64, 74,350.86 and 30,004.82

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Solution

The fourth proportional to 53,878.64, 74,350.86 and 30,004.82 is: 41,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.64 : 74,350.86 = 30,004.82 : x
  2. Step 2: Convert to fraction form
    53,878.64/74,350.86 = 30,004.82/x
  3. Step 3: Cross multiply
    53,878.64x = 74,350.86 × 30,004.82
  4. Step 4: Simplify right side
    53,878.64x = 2,230,884,171.15
  5. Step 5: Solve for x
    x = 2,230,884,171.15/53,878.64
  6. Step 6: Final answer
    x = 41,405.73

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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.