Home / 43,000.25-64,501.11-14,921.28

Finding the Fourth Proportional to 43,000.25, 64,501.11 and 14,921.28

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Solution

The fourth proportional to 43,000.25, 64,501.11 and 14,921.28 is: 22,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,000.25 : 64,501.11 = 14,921.28 : x
  2. Step 2: Convert to fraction form
    43,000.25/64,501.11 = 14,921.28/x
  3. Step 3: Cross multiply
    43,000.25x = 64,501.11 × 14,921.28
  4. Step 4: Simplify right side
    43,000.25x = 962,439,122.62
  5. Step 5: Solve for x
    x = 962,439,122.62/43,000.25
  6. Step 6: Final answer
    x = 22,382.18

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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.