Home / 55,439.64-76,495.36-31,560.04

Finding the Fourth Proportional to 55,439.64, 76,495.36 and 31,560.04

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Solution

The fourth proportional to 55,439.64, 76,495.36 and 31,560.04 is: 43,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.64 : 76,495.36 = 31,560.04 : x
  2. Step 2: Convert to fraction form
    55,439.64/76,495.36 = 31,560.04/x
  3. Step 3: Cross multiply
    55,439.64x = 76,495.36 × 31,560.04
  4. Step 4: Simplify right side
    55,439.64x = 2,414,196,621.41
  5. Step 5: Solve for x
    x = 2,414,196,621.41/55,439.64
  6. Step 6: Final answer
    x = 43,546.40

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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.