Home / 57,515.06-79,372.54-31,322.77

Finding the Fourth Proportional to 57,515.06, 79,372.54 and 31,322.77

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Solution

The fourth proportional to 57,515.06, 79,372.54 and 31,322.77 is: 43,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515.06 : 79,372.54 = 31,322.77 : x
  2. Step 2: Convert to fraction form
    57,515.06/79,372.54 = 31,322.77/x
  3. Step 3: Cross multiply
    57,515.06x = 79,372.54 × 31,322.77
  4. Step 4: Simplify right side
    57,515.06x = 2,486,167,814.74
  5. Step 5: Solve for x
    x = 2,486,167,814.74/57,515.06
  6. Step 6: Final answer
    x = 43,226.38

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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.