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Finding the Fourth Proportional to 37,420.60, 56,123.70 and 11,126.20

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Solution

The fourth proportional to 37,420.60, 56,123.70 and 11,126.20 is: 16,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.60 : 56,123.70 = 11,126.20 : x
  2. Step 2: Convert to fraction form
    37,420.60/56,123.70 = 11,126.20/x
  3. Step 3: Cross multiply
    37,420.60x = 56,123.70 × 11,126.20
  4. Step 4: Simplify right side
    37,420.60x = 624,443,510.94
  5. Step 5: Solve for x
    x = 624,443,510.94/37,420.60
  6. Step 6: Final answer
    x = 16,687.16

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