Home / 42,723.37-64,083.12-14,645.92

Finding the Fourth Proportional to 42,723.37, 64,083.12 and 14,645.92

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Solution

The fourth proportional to 42,723.37, 64,083.12 and 14,645.92 is: 21,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,723.37 : 64,083.12 = 14,645.92 : x
  2. Step 2: Convert to fraction form
    42,723.37/64,083.12 = 14,645.92/x
  3. Step 3: Cross multiply
    42,723.37x = 64,083.12 × 14,645.92
  4. Step 4: Simplify right side
    42,723.37x = 938,556,248.87
  5. Step 5: Solve for x
    x = 938,556,248.87/42,723.37
  6. Step 6: Final answer
    x = 21,968.22

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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.