Home / 43,124.67-64,682.75-13,541.72

Finding the Fourth Proportional to 43,124.67, 64,682.75 and 13,541.72

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Solution

The fourth proportional to 43,124.67, 64,682.75 and 13,541.72 is: 20,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.67 : 64,682.75 = 13,541.72 : x
  2. Step 2: Convert to fraction form
    43,124.67/64,682.75 = 13,541.72/x
  3. Step 3: Cross multiply
    43,124.67x = 64,682.75 × 13,541.72
  4. Step 4: Simplify right side
    43,124.67x = 875,915,399.77
  5. Step 5: Solve for x
    x = 875,915,399.77/43,124.67
  6. Step 6: Final answer
    x = 20,311.24

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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.