Home / 42,913.48-64,359.44-20,410.27

Finding the Fourth Proportional to 42,913.48, 64,359.44 and 20,410.27

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Solution

The fourth proportional to 42,913.48, 64,359.44 and 20,410.27 is: 30,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913.48 : 64,359.44 = 20,410.27 : x
  2. Step 2: Convert to fraction form
    42,913.48/64,359.44 = 20,410.27/x
  3. Step 3: Cross multiply
    42,913.48x = 64,359.44 × 20,410.27
  4. Step 4: Simplify right side
    42,913.48x = 1,313,593,123.60
  5. Step 5: Solve for x
    x = 1,313,593,123.60/42,913.48
  6. Step 6: Final answer
    x = 30,610.27

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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.