Home / 29,041.88-43,582.23-12,405.78

Finding the Fourth Proportional to 29,041.88, 43,582.23 and 12,405.78

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Solution

The fourth proportional to 29,041.88, 43,582.23 and 12,405.78 is: 18,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041.88 : 43,582.23 = 12,405.78 : x
  2. Step 2: Convert to fraction form
    29,041.88/43,582.23 = 12,405.78/x
  3. Step 3: Cross multiply
    29,041.88x = 43,582.23 × 12,405.78
  4. Step 4: Simplify right side
    29,041.88x = 540,671,557.29
  5. Step 5: Solve for x
    x = 540,671,557.29/29,041.88
  6. Step 6: Final answer
    x = 18,616.96

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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.