Home / 43,283.40-64,926.72-12,117.84

Finding the Fourth Proportional to 43,283.40, 64,926.72 and 12,117.84

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Solution

The fourth proportional to 43,283.40, 64,926.72 and 12,117.84 is: 18,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,283.40 : 64,926.72 = 12,117.84 : x
  2. Step 2: Convert to fraction form
    43,283.40/64,926.72 = 12,117.84/x
  3. Step 3: Cross multiply
    43,283.40x = 64,926.72 × 12,117.84
  4. Step 4: Simplify right side
    43,283.40x = 786,771,604.68
  5. Step 5: Solve for x
    x = 786,771,604.68/43,283.40
  6. Step 6: Final answer
    x = 18,177.21

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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.