Home / 64,282.36-96,421.92-19,907.32

Finding the Fourth Proportional to 64,282.36, 96,421.92 and 19,907.32

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Solution

The fourth proportional to 64,282.36, 96,421.92 and 19,907.32 is: 29,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,282.36 : 96,421.92 = 19,907.32 : x
  2. Step 2: Convert to fraction form
    64,282.36/96,421.92 = 19,907.32/x
  3. Step 3: Cross multiply
    64,282.36x = 96,421.92 × 19,907.32
  4. Step 4: Simplify right side
    64,282.36x = 1,919,502,016.45
  5. Step 5: Solve for x
    x = 1,919,502,016.45/64,282.36
  6. Step 6: Final answer
    x = 29,860.48

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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.