Home / 48,389.06-72,554.09-21,729.87

Finding the Fourth Proportional to 48,389.06, 72,554.09 and 21,729.87

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Solution

The fourth proportional to 48,389.06, 72,554.09 and 21,729.87 is: 32,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389.06 : 72,554.09 = 21,729.87 : x
  2. Step 2: Convert to fraction form
    48,389.06/72,554.09 = 21,729.87/x
  3. Step 3: Cross multiply
    48,389.06x = 72,554.09 × 21,729.87
  4. Step 4: Simplify right side
    48,389.06x = 1,576,590,943.67
  5. Step 5: Solve for x
    x = 1,576,590,943.67/48,389.06
  6. Step 6: Final answer
    x = 32,581.56

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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.