Home / 43,990.76-65,983.98-14,422.52

Finding the Fourth Proportional to 43,990.76, 65,983.98 and 14,422.52

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Solution

The fourth proportional to 43,990.76, 65,983.98 and 14,422.52 is: 21,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,990.76 : 65,983.98 = 14,422.52 : x
  2. Step 2: Convert to fraction form
    43,990.76/65,983.98 = 14,422.52/x
  3. Step 3: Cross multiply
    43,990.76x = 65,983.98 × 14,422.52
  4. Step 4: Simplify right side
    43,990.76x = 951,655,271.23
  5. Step 5: Solve for x
    x = 951,655,271.23/43,990.76
  6. Step 6: Final answer
    x = 21,633.07

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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.