Home / 55,253.64-76,278.84-43,128.06

Finding the Fourth Proportional to 55,253.64, 76,278.84 and 43,128.06

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Solution

The fourth proportional to 55,253.64, 76,278.84 and 43,128.06 is: 59,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.64 : 76,278.84 = 43,128.06 : x
  2. Step 2: Convert to fraction form
    55,253.64/76,278.84 = 43,128.06/x
  3. Step 3: Cross multiply
    55,253.64x = 76,278.84 × 43,128.06
  4. Step 4: Simplify right side
    55,253.64x = 3,289,758,388.25
  5. Step 5: Solve for x
    x = 3,289,758,388.25/55,253.64
  6. Step 6: Final answer
    x = 59,539.22

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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.