Home / 57,515.23-79,437.48-38,361.74

Finding the Fourth Proportional to 57,515.23, 79,437.48 and 38,361.74

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Solution

The fourth proportional to 57,515.23, 79,437.48 and 38,361.74 is: 52,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515.23 : 79,437.48 = 38,361.74 : x
  2. Step 2: Convert to fraction form
    57,515.23/79,437.48 = 38,361.74/x
  3. Step 3: Cross multiply
    57,515.23x = 79,437.48 × 38,361.74
  4. Step 4: Simplify right side
    57,515.23x = 3,047,359,954.02
  5. Step 5: Solve for x
    x = 3,047,359,954.02/57,515.23
  6. Step 6: Final answer
    x = 52,983.54

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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.