Home / 43,827.18-65,750.49-12,660.18

Finding the Fourth Proportional to 43,827.18, 65,750.49 and 12,660.18

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Solution

The fourth proportional to 43,827.18, 65,750.49 and 12,660.18 is: 18,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,827.18 : 65,750.49 = 12,660.18 : x
  2. Step 2: Convert to fraction form
    43,827.18/65,750.49 = 12,660.18/x
  3. Step 3: Cross multiply
    43,827.18x = 65,750.49 × 12,660.18
  4. Step 4: Simplify right side
    43,827.18x = 832,413,038.49
  5. Step 5: Solve for x
    x = 832,413,038.49/43,827.18
  6. Step 6: Final answer
    x = 18,993.08

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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.