Home / 55,215.90-82,824.57-15,774.30

Finding the Fourth Proportional to 55,215.90, 82,824.57 and 15,774.30

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Solution

The fourth proportional to 55,215.90, 82,824.57 and 15,774.30 is: 23,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.90 : 82,824.57 = 15,774.30 : x
  2. Step 2: Convert to fraction form
    55,215.90/82,824.57 = 15,774.30/x
  3. Step 3: Cross multiply
    55,215.90x = 82,824.57 × 15,774.30
  4. Step 4: Simplify right side
    55,215.90x = 1,306,499,614.55
  5. Step 5: Solve for x
    x = 1,306,499,614.55/55,215.90
  6. Step 6: Final answer
    x = 23,661.66

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1.5x scale

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.