Home / 37,817.84-56,659.08-21,158.48

Finding the Fourth Proportional to 37,817.84, 56,659.08 and 21,158.48

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Solution

The fourth proportional to 37,817.84, 56,659.08 and 21,158.48 is: 31,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,817.84 : 56,659.08 = 21,158.48 : x
  2. Step 2: Convert to fraction form
    37,817.84/56,659.08 = 21,158.48/x
  3. Step 3: Cross multiply
    37,817.84x = 56,659.08 × 21,158.48
  4. Step 4: Simplify right side
    37,817.84x = 1,198,820,011.00
  5. Step 5: Solve for x
    x = 1,198,820,011.00/37,817.84
  6. Step 6: Final answer
    x = 31,699.85

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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.