Home / 43,215.95-64,844.88-19,539.86

Finding the Fourth Proportional to 43,215.95, 64,844.88 and 19,539.86

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Solution

The fourth proportional to 43,215.95, 64,844.88 and 19,539.86 is: 29,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215.95 : 64,844.88 = 19,539.86 : x
  2. Step 2: Convert to fraction form
    43,215.95/64,844.88 = 19,539.86/x
  3. Step 3: Cross multiply
    43,215.95x = 64,844.88 × 19,539.86
  4. Step 4: Simplify right side
    43,215.95x = 1,267,059,552.69
  5. Step 5: Solve for x
    x = 1,267,059,552.69/43,215.95
  6. Step 6: Final answer
    x = 29,319.26

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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.