Home / 39,866.45-59,814.20-18,529.02

Finding the Fourth Proportional to 39,866.45, 59,814.20 and 18,529.02

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Solution

The fourth proportional to 39,866.45, 59,814.20 and 18,529.02 is: 27,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866.45 : 59,814.20 = 18,529.02 : x
  2. Step 2: Convert to fraction form
    39,866.45/59,814.20 = 18,529.02/x
  3. Step 3: Cross multiply
    39,866.45x = 59,814.20 × 18,529.02
  4. Step 4: Simplify right side
    39,866.45x = 1,108,298,508.08
  5. Step 5: Solve for x
    x = 1,108,298,508.08/39,866.45
  6. Step 6: Final answer
    x = 27,800.28

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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.