Home / 55,787.40-76,921.56-41,615.64

Finding the Fourth Proportional to 55,787.40, 76,921.56 and 41,615.64

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Solution

The fourth proportional to 55,787.40, 76,921.56 and 41,615.64 is: 57,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,787.40 : 76,921.56 = 41,615.64 : x
  2. Step 2: Convert to fraction form
    55,787.40/76,921.56 = 41,615.64/x
  3. Step 3: Cross multiply
    55,787.40x = 76,921.56 × 41,615.64
  4. Step 4: Simplify right side
    55,787.40x = 3,201,139,949.20
  5. Step 5: Solve for x
    x = 3,201,139,949.20/55,787.40
  6. Step 6: Final answer
    x = 57,381.06

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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.