Home / 57,347.24-79,136.44-31,855.25

Finding the Fourth Proportional to 57,347.24, 79,136.44 and 31,855.25

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Solution

The fourth proportional to 57,347.24, 79,136.44 and 31,855.25 is: 43,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,347.24 : 79,136.44 = 31,855.25 : x
  2. Step 2: Convert to fraction form
    57,347.24/79,136.44 = 31,855.25/x
  3. Step 3: Cross multiply
    57,347.24x = 79,136.44 × 31,855.25
  4. Step 4: Simplify right side
    57,347.24x = 2,520,911,155.13
  5. Step 5: Solve for x
    x = 2,520,911,155.13/57,347.24
  6. Step 6: Final answer
    x = 43,958.72

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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.