Home / 40,826.81-61,240.22-13,124.81

Finding the Fourth Proportional to 40,826.81, 61,240.22 and 13,124.81

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Solution

The fourth proportional to 40,826.81, 61,240.22 and 13,124.81 is: 19,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,826.81 : 61,240.22 = 13,124.81 : x
  2. Step 2: Convert to fraction form
    40,826.81/61,240.22 = 13,124.81/x
  3. Step 3: Cross multiply
    40,826.81x = 61,240.22 × 13,124.81
  4. Step 4: Simplify right side
    40,826.81x = 803,766,388.55
  5. Step 5: Solve for x
    x = 803,766,388.55/40,826.81
  6. Step 6: Final answer
    x = 19,687.22

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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.