Home / 39,958,252.96-55,142,387.28-21,623,538.96

Finding the Fourth Proportional to 39,958,252.96, 55,142,387.28 and 21,623,538.96

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Solution

The fourth proportional to 39,958,252.96, 55,142,387.28 and 21,623,538.96 is: 29,840,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958,252.96 : 55,142,387.28 = 21,623,538.96 : x
  2. Step 2: Convert to fraction form
    39,958,252.96/55,142,387.28 = 21,623,538.96/x
  3. Step 3: Cross multiply
    39,958,252.96x = 55,142,387.28 × 21,623,538.96
  4. Step 4: Simplify right side
    39,958,252.96x = 1,192,373,559,696,488.50
  5. Step 5: Solve for x
    x = 1,192,373,559,696,488.50/39,958,252.96
  6. Step 6: Final answer
    x = 29,840,482.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.