Home / 55,690.92-76,848.48-31,817.52

Finding the Fourth Proportional to 55,690.92, 76,848.48 and 31,817.52

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Solution

The fourth proportional to 55,690.92, 76,848.48 and 31,817.52 is: 43,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690.92 : 76,848.48 = 31,817.52 : x
  2. Step 2: Convert to fraction form
    55,690.92/76,848.48 = 31,817.52/x
  3. Step 3: Cross multiply
    55,690.92x = 76,848.48 × 31,817.52
  4. Step 4: Simplify right side
    55,690.92x = 2,445,128,049.37
  5. Step 5: Solve for x
    x = 2,445,128,049.37/55,690.92
  6. Step 6: Final answer
    x = 43,905.33

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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.