Home / 56,923.85-85,396.91-21,860.57

Finding the Fourth Proportional to 56,923.85, 85,396.91 and 21,860.57

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Solution

The fourth proportional to 56,923.85, 85,396.91 and 21,860.57 is: 32,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,923.85 : 85,396.91 = 21,860.57 : x
  2. Step 2: Convert to fraction form
    56,923.85/85,396.91 = 21,860.57/x
  3. Step 3: Cross multiply
    56,923.85x = 85,396.91 × 21,860.57
  4. Step 4: Simplify right side
    56,923.85x = 1,866,824,592.55
  5. Step 5: Solve for x
    x = 1,866,824,592.55/56,923.85
  6. Step 6: Final answer
    x = 32,795.12

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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.