Home / 42,765.48-64,150.56-19,393.68

Finding the Fourth Proportional to 42,765.48, 64,150.56 and 19,393.68

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Solution

The fourth proportional to 42,765.48, 64,150.56 and 19,393.68 is: 29,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765.48 : 64,150.56 = 19,393.68 : x
  2. Step 2: Convert to fraction form
    42,765.48/64,150.56 = 19,393.68/x
  3. Step 3: Cross multiply
    42,765.48x = 64,150.56 × 19,393.68
  4. Step 4: Simplify right side
    42,765.48x = 1,244,115,432.46
  5. Step 5: Solve for x
    x = 1,244,115,432.46/42,765.48
  6. Step 6: Final answer
    x = 29,091.58

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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.