Home / 56,782.79-85,226.91-28,722.66

Finding the Fourth Proportional to 56,782.79, 85,226.91 and 28,722.66

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Solution

The fourth proportional to 56,782.79, 85,226.91 and 28,722.66 is: 43,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,782.79 : 85,226.91 = 28,722.66 : x
  2. Step 2: Convert to fraction form
    56,782.79/85,226.91 = 28,722.66/x
  3. Step 3: Cross multiply
    56,782.79x = 85,226.91 × 28,722.66
  4. Step 4: Simplify right side
    56,782.79x = 2,447,943,558.78
  5. Step 5: Solve for x
    x = 2,447,943,558.78/56,782.79
  6. Step 6: Final answer
    x = 43,110.66

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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.