Home / 43,088.18-64,631.76-16,811.37

Finding the Fourth Proportional to 43,088.18, 64,631.76 and 16,811.37

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Solution

The fourth proportional to 43,088.18, 64,631.76 and 16,811.37 is: 25,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,088.18 : 64,631.76 = 16,811.37 : x
  2. Step 2: Convert to fraction form
    43,088.18/64,631.76 = 16,811.37/x
  3. Step 3: Cross multiply
    43,088.18x = 64,631.76 × 16,811.37
  4. Step 4: Simplify right side
    43,088.18x = 1,086,548,431.11
  5. Step 5: Solve for x
    x = 1,086,548,431.11/43,088.18
  6. Step 6: Final answer
    x = 25,216.86

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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.