Home / 43,387.32-65,073.30-12,222.36

Finding the Fourth Proportional to 43,387.32, 65,073.30 and 12,222.36

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Solution

The fourth proportional to 43,387.32, 65,073.30 and 12,222.36 is: 18,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,387.32 : 65,073.30 = 12,222.36 : x
  2. Step 2: Convert to fraction form
    43,387.32/65,073.30 = 12,222.36/x
  3. Step 3: Cross multiply
    43,387.32x = 65,073.30 × 12,222.36
  4. Step 4: Simplify right side
    43,387.32x = 795,349,298.99
  5. Step 5: Solve for x
    x = 795,349,298.99/43,387.32
  6. Step 6: Final answer
    x = 18,331.38

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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.