Home / 43,259.65-64,901.01-13,678.04

Finding the Fourth Proportional to 43,259.65, 64,901.01 and 13,678.04

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Solution

The fourth proportional to 43,259.65, 64,901.01 and 13,678.04 is: 20,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,259.65 : 64,901.01 = 13,678.04 : x
  2. Step 2: Convert to fraction form
    43,259.65/64,901.01 = 13,678.04/x
  3. Step 3: Cross multiply
    43,259.65x = 64,901.01 × 13,678.04
  4. Step 4: Simplify right side
    43,259.65x = 887,718,610.82
  5. Step 5: Solve for x
    x = 887,718,610.82/43,259.65
  6. Step 6: Final answer
    x = 20,520.71

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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.