Home / 39,169,901.04-54,054,953.28-21,530,729.43

Finding the Fourth Proportional to 39,169,901.04, 54,054,953.28 and 21,530,729.43

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Solution

The fourth proportional to 39,169,901.04, 54,054,953.28 and 21,530,729.43 is: 29,712,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169,901.04 : 54,054,953.28 = 21,530,729.43 : x
  2. Step 2: Convert to fraction form
    39,169,901.04/54,054,953.28 = 21,530,729.43/x
  3. Step 3: Cross multiply
    39,169,901.04x = 54,054,953.28 × 21,530,729.43
  4. Step 4: Simplify right side
    39,169,901.04x = 1,163,842,573,422,971
  5. Step 5: Solve for x
    x = 1,163,842,573,422,971/39,169,901.04
  6. Step 6: Final answer
    x = 29,712,675.87

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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.