Home / 56,771.54-78,348.22-31,621.04

Finding the Fourth Proportional to 56,771.54, 78,348.22 and 31,621.04

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Solution

The fourth proportional to 56,771.54, 78,348.22 and 31,621.04 is: 43,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771.54 : 78,348.22 = 31,621.04 : x
  2. Step 2: Convert to fraction form
    56,771.54/78,348.22 = 31,621.04/x
  3. Step 3: Cross multiply
    56,771.54x = 78,348.22 × 31,621.04
  4. Step 4: Simplify right side
    56,771.54x = 2,477,451,727.76
  5. Step 5: Solve for x
    x = 2,477,451,727.76/56,771.54
  6. Step 6: Final answer
    x = 43,638.98

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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.