Home / 53,321.78-73,575.60-30,656.36

Finding the Fourth Proportional to 53,321.78, 73,575.60 and 30,656.36

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Solution

The fourth proportional to 53,321.78, 73,575.60 and 30,656.36 is: 42,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,321.78 : 73,575.60 = 30,656.36 : x
  2. Step 2: Convert to fraction form
    53,321.78/73,575.60 = 30,656.36/x
  3. Step 3: Cross multiply
    53,321.78x = 73,575.60 × 30,656.36
  4. Step 4: Simplify right side
    53,321.78x = 2,255,560,080.82
  5. Step 5: Solve for x
    x = 2,255,560,080.82/53,321.78
  6. Step 6: Final answer
    x = 42,300.91

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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.