Home / 43,259.40-64,889.10-18,295.47

Finding the Fourth Proportional to 43,259.40, 64,889.10 and 18,295.47

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Solution

The fourth proportional to 43,259.40, 64,889.10 and 18,295.47 is: 27,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,259.40 : 64,889.10 = 18,295.47 : x
  2. Step 2: Convert to fraction form
    43,259.40/64,889.10 = 18,295.47/x
  3. Step 3: Cross multiply
    43,259.40x = 64,889.10 × 18,295.47
  4. Step 4: Simplify right side
    43,259.40x = 1,187,176,582.38
  5. Step 5: Solve for x
    x = 1,187,176,582.38/43,259.40
  6. Step 6: Final answer
    x = 27,443.21

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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.