Home / 37,690.10-56,461.23-21,861.87

Finding the Fourth Proportional to 37,690.10, 56,461.23 and 21,861.87

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Solution

The fourth proportional to 37,690.10, 56,461.23 and 21,861.87 is: 32,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,690.10 : 56,461.23 = 21,861.87 : x
  2. Step 2: Convert to fraction form
    37,690.10/56,461.23 = 21,861.87/x
  3. Step 3: Cross multiply
    37,690.10x = 56,461.23 × 21,861.87
  4. Step 4: Simplify right side
    37,690.10x = 1,234,348,070.30
  5. Step 5: Solve for x
    x = 1,234,348,070.30/37,690.10
  6. Step 6: Final answer
    x = 32,749.93

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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.