Home / 55,273.64-76,273.36-31,073.28

Finding the Fourth Proportional to 55,273.64, 76,273.36 and 31,073.28

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Solution

The fourth proportional to 55,273.64, 76,273.36 and 31,073.28 is: 42,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.64 : 76,273.36 = 31,073.28 : x
  2. Step 2: Convert to fraction form
    55,273.64/76,273.36 = 31,073.28/x
  3. Step 3: Cross multiply
    55,273.64x = 76,273.36 × 31,073.28
  4. Step 4: Simplify right side
    55,273.64x = 2,370,063,471.82
  5. Step 5: Solve for x
    x = 2,370,063,471.82/55,273.64
  6. Step 6: Final answer
    x = 42,878.73

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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.