Home / 43,010.55-64,486.35-21,909.74

Finding the Fourth Proportional to 43,010.55, 64,486.35 and 21,909.74

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Solution

The fourth proportional to 43,010.55, 64,486.35 and 21,909.74 is: 32,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,010.55 : 64,486.35 = 21,909.74 : x
  2. Step 2: Convert to fraction form
    43,010.55/64,486.35 = 21,909.74/x
  3. Step 3: Cross multiply
    43,010.55x = 64,486.35 × 21,909.74
  4. Step 4: Simplify right side
    43,010.55x = 1,412,878,839.62
  5. Step 5: Solve for x
    x = 1,412,878,839.62/43,010.55
  6. Step 6: Final answer
    x = 32,849.59

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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.