Home / 56,359.53-84,529.85-18,915.39

Finding the Fourth Proportional to 56,359.53, 84,529.85 and 18,915.39

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Solution

The fourth proportional to 56,359.53, 84,529.85 and 18,915.39 is: 28,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.53 : 84,529.85 = 18,915.39 : x
  2. Step 2: Convert to fraction form
    56,359.53/84,529.85 = 18,915.39/x
  3. Step 3: Cross multiply
    56,359.53x = 84,529.85 × 18,915.39
  4. Step 4: Simplify right side
    56,359.53x = 1,598,914,984.81
  5. Step 5: Solve for x
    x = 1,598,914,984.81/56,359.53
  6. Step 6: Final answer
    x = 28,369.91

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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.