Home / 56,056.84-84,085.10-18,619.80

Finding the Fourth Proportional to 56,056.84, 84,085.10 and 18,619.80

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Solution

The fourth proportional to 56,056.84, 84,085.10 and 18,619.80 is: 27,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,056.84 : 84,085.10 = 18,619.80 : x
  2. Step 2: Convert to fraction form
    56,056.84/84,085.10 = 18,619.80/x
  3. Step 3: Cross multiply
    56,056.84x = 84,085.10 × 18,619.80
  4. Step 4: Simplify right side
    56,056.84x = 1,565,647,744.98
  5. Step 5: Solve for x
    x = 1,565,647,744.98/56,056.84
  6. Step 6: Final answer
    x = 27,929.65

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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.