Home / 55,775.64-76,951.54-31,885.40

Finding the Fourth Proportional to 55,775.64, 76,951.54 and 31,885.40

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Solution

The fourth proportional to 55,775.64, 76,951.54 and 31,885.40 is: 43,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775.64 : 76,951.54 = 31,885.40 : x
  2. Step 2: Convert to fraction form
    55,775.64/76,951.54 = 31,885.40/x
  3. Step 3: Cross multiply
    55,775.64x = 76,951.54 × 31,885.40
  4. Step 4: Simplify right side
    55,775.64x = 2,453,630,633.52
  5. Step 5: Solve for x
    x = 2,453,630,633.52/55,775.64
  6. Step 6: Final answer
    x = 43,991.08

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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.