Home / 55,961.40-83,942.10-31,334.20

Finding the Fourth Proportional to 55,961.40, 83,942.10 and 31,334.20

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Solution

The fourth proportional to 55,961.40, 83,942.10 and 31,334.20 is: 47,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.40 : 83,942.10 = 31,334.20 : x
  2. Step 2: Convert to fraction form
    55,961.40/83,942.10 = 31,334.20/x
  3. Step 3: Cross multiply
    55,961.40x = 83,942.10 × 31,334.20
  4. Step 4: Simplify right side
    55,961.40x = 2,630,258,549.82
  5. Step 5: Solve for x
    x = 2,630,258,549.82/55,961.40
  6. Step 6: Final answer
    x = 47,001.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.