Home / 40,934.63-61,421.39-13,232.63

Finding the Fourth Proportional to 40,934.63, 61,421.39 and 13,232.63

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Solution

The fourth proportional to 40,934.63, 61,421.39 and 13,232.63 is: 19,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,934.63 : 61,421.39 = 13,232.63 : x
  2. Step 2: Convert to fraction form
    40,934.63/61,421.39 = 13,232.63/x
  3. Step 3: Cross multiply
    40,934.63x = 61,421.39 × 13,232.63
  4. Step 4: Simplify right side
    40,934.63x = 812,766,154.69
  5. Step 5: Solve for x
    x = 812,766,154.69/40,934.63
  6. Step 6: Final answer
    x = 19,855.22

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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.