Home / 43,344.96-65,038.05-30,038.42

Finding the Fourth Proportional to 43,344.96, 65,038.05 and 30,038.42

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Solution

The fourth proportional to 43,344.96, 65,038.05 and 30,038.42 is: 45,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,344.96 : 65,038.05 = 30,038.42 : x
  2. Step 2: Convert to fraction form
    43,344.96/65,038.05 = 30,038.42/x
  3. Step 3: Cross multiply
    43,344.96x = 65,038.05 × 30,038.42
  4. Step 4: Simplify right side
    43,344.96x = 1,953,639,936.69
  5. Step 5: Solve for x
    x = 1,953,639,936.69/43,344.96
  6. Step 6: Final answer
    x = 45,071.91

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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.