Home / 57,475.55-79,316.31-31,984.23

Finding the Fourth Proportional to 57,475.55, 79,316.31 and 31,984.23

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Solution

The fourth proportional to 57,475.55, 79,316.31 and 31,984.23 is: 44,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.55 : 79,316.31 = 31,984.23 : x
  2. Step 2: Convert to fraction form
    57,475.55/79,316.31 = 31,984.23/x
  3. Step 3: Cross multiply
    57,475.55x = 79,316.31 × 31,984.23
  4. Step 4: Simplify right side
    57,475.55x = 2,536,871,101.79
  5. Step 5: Solve for x
    x = 2,536,871,101.79/57,475.55
  6. Step 6: Final answer
    x = 44,138.27

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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.