Home / 61,942.40-92,885.20-19,814.28

Finding the Fourth Proportional to 61,942.40, 92,885.20 and 19,814.28

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Solution

The fourth proportional to 61,942.40, 92,885.20 and 19,814.28 is: 29,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,942.40 : 92,885.20 = 19,814.28 : x
  2. Step 2: Convert to fraction form
    61,942.40/92,885.20 = 19,814.28/x
  3. Step 3: Cross multiply
    61,942.40x = 92,885.20 × 19,814.28
  4. Step 4: Simplify right side
    61,942.40x = 1,840,453,360.66
  5. Step 5: Solve for x
    x = 1,840,453,360.66/61,942.40
  6. Step 6: Final answer
    x = 29,712.34

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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.