Home / 56,732.49-85,088.68-21,185.84

Finding the Fourth Proportional to 56,732.49, 85,088.68 and 21,185.84

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Solution

The fourth proportional to 56,732.49, 85,088.68 and 21,185.84 is: 31,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,732.49 : 85,088.68 = 21,185.84 : x
  2. Step 2: Convert to fraction form
    56,732.49/85,088.68 = 21,185.84/x
  3. Step 3: Cross multiply
    56,732.49x = 85,088.68 × 21,185.84
  4. Step 4: Simplify right side
    56,732.49x = 1,802,675,320.05
  5. Step 5: Solve for x
    x = 1,802,675,320.05/56,732.49
  6. Step 6: Final answer
    x = 31,775.01

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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.