Home / 56,310.40-84,459.28-14,190.48

Finding the Fourth Proportional to 56,310.40, 84,459.28 and 14,190.48

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Solution

The fourth proportional to 56,310.40, 84,459.28 and 14,190.48 is: 21,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,310.40 : 84,459.28 = 14,190.48 : x
  2. Step 2: Convert to fraction form
    56,310.40/84,459.28 = 14,190.48/x
  3. Step 3: Cross multiply
    56,310.40x = 84,459.28 × 14,190.48
  4. Step 4: Simplify right side
    56,310.40x = 1,198,517,723.65
  5. Step 5: Solve for x
    x = 1,198,517,723.65/56,310.40
  6. Step 6: Final answer
    x = 21,284.13

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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.