Home / 29,125.76-43,681.43-12,483.90

Finding the Fourth Proportional to 29,125.76, 43,681.43 and 12,483.90

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Solution

The fourth proportional to 29,125.76, 43,681.43 and 12,483.90 is: 18,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125.76 : 43,681.43 = 12,483.90 : x
  2. Step 2: Convert to fraction form
    29,125.76/43,681.43 = 12,483.90/x
  3. Step 3: Cross multiply
    29,125.76x = 43,681.43 × 12,483.90
  4. Step 4: Simplify right side
    29,125.76x = 545,314,635.19
  5. Step 5: Solve for x
    x = 545,314,635.19/29,125.76
  6. Step 6: Final answer
    x = 18,722.76

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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.