Home / 34,314.55-47,339.98-20,883.60

Finding the Fourth Proportional to 34,314.55, 47,339.98 and 20,883.60

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Solution

The fourth proportional to 34,314.55, 47,339.98 and 20,883.60 is: 28,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,314.55 : 47,339.98 = 20,883.60 : x
  2. Step 2: Convert to fraction form
    34,314.55/47,339.98 = 20,883.60/x
  3. Step 3: Cross multiply
    34,314.55x = 47,339.98 × 20,883.60
  4. Step 4: Simplify right side
    34,314.55x = 988,629,154.12
  5. Step 5: Solve for x
    x = 988,629,154.12/34,314.55
  6. Step 6: Final answer
    x = 28,810.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.