Home / 56,919.40-85,391.78-17,480.50

Finding the Fourth Proportional to 56,919.40, 85,391.78 and 17,480.50

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Solution

The fourth proportional to 56,919.40, 85,391.78 and 17,480.50 is: 26,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,919.40 : 85,391.78 = 17,480.50 : x
  2. Step 2: Convert to fraction form
    56,919.40/85,391.78 = 17,480.50/x
  3. Step 3: Cross multiply
    56,919.40x = 85,391.78 × 17,480.50
  4. Step 4: Simplify right side
    56,919.40x = 1,492,691,010.29
  5. Step 5: Solve for x
    x = 1,492,691,010.29/56,919.40
  6. Step 6: Final answer
    x = 26,224.64

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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.