Home / 38,739,469.00-53,462,885.06-21,335,809.61

Finding the Fourth Proportional to 38,739,469.00, 53,462,885.06 and 21,335,809.61

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Solution

The fourth proportional to 38,739,469.00, 53,462,885.06 and 21,335,809.61 is: 29,444,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,469.00 : 53,462,885.06 = 21,335,809.61 : x
  2. Step 2: Convert to fraction form
    38,739,469.00/53,462,885.06 = 21,335,809.61/x
  3. Step 3: Cross multiply
    38,739,469.00x = 53,462,885.06 × 21,335,809.61
  4. Step 4: Simplify right side
    38,739,469.00x = 1,140,673,936,467,480
  5. Step 5: Solve for x
    x = 1,140,673,936,467,480/38,739,469.00
  6. Step 6: Final answer
    x = 29,444,748.88

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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.