Home / 43,913.13-65,871.51-12,748.38

Finding the Fourth Proportional to 43,913.13, 65,871.51 and 12,748.38

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Solution

The fourth proportional to 43,913.13, 65,871.51 and 12,748.38 is: 19,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,913.13 : 65,871.51 = 12,748.38 : x
  2. Step 2: Convert to fraction form
    43,913.13/65,871.51 = 12,748.38/x
  3. Step 3: Cross multiply
    43,913.13x = 65,871.51 × 12,748.38
  4. Step 4: Simplify right side
    43,913.13x = 839,754,711.30
  5. Step 5: Solve for x
    x = 839,754,711.30/43,913.13
  6. Step 6: Final answer
    x = 19,123.09

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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.