Home / 56,956.56-85,351.77-40,307.55

Finding the Fourth Proportional to 56,956.56, 85,351.77 and 40,307.55

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Solution

The fourth proportional to 56,956.56, 85,351.77 and 40,307.55 is: 60,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,956.56 : 85,351.77 = 40,307.55 : x
  2. Step 2: Convert to fraction form
    56,956.56/85,351.77 = 40,307.55/x
  3. Step 3: Cross multiply
    56,956.56x = 85,351.77 × 40,307.55
  4. Step 4: Simplify right side
    56,956.56x = 3,440,320,736.86
  5. Step 5: Solve for x
    x = 3,440,320,736.86/56,956.56
  6. Step 6: Final answer
    x = 60,402.54

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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.