Home / 55,523.64-76,607.46-31,641.60

Finding the Fourth Proportional to 55,523.64, 76,607.46 and 31,641.60

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Solution

The fourth proportional to 55,523.64, 76,607.46 and 31,641.60 is: 43,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,523.64 : 76,607.46 = 31,641.60 : x
  2. Step 2: Convert to fraction form
    55,523.64/76,607.46 = 31,641.60/x
  3. Step 3: Cross multiply
    55,523.64x = 76,607.46 × 31,641.60
  4. Step 4: Simplify right side
    55,523.64x = 2,423,982,606.34
  5. Step 5: Solve for x
    x = 2,423,982,606.34/55,523.64
  6. Step 6: Final answer
    x = 43,656.77

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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.