Home / 57,011.36-85,487.74-19,561.34

Finding the Fourth Proportional to 57,011.36, 85,487.74 and 19,561.34

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Solution

The fourth proportional to 57,011.36, 85,487.74 and 19,561.34 is: 29,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.36 : 85,487.74 = 19,561.34 : x
  2. Step 2: Convert to fraction form
    57,011.36/85,487.74 = 19,561.34/x
  3. Step 3: Cross multiply
    57,011.36x = 85,487.74 × 19,561.34
  4. Step 4: Simplify right side
    57,011.36x = 1,672,254,912.79
  5. Step 5: Solve for x
    x = 1,672,254,912.79/57,011.36
  6. Step 6: Final answer
    x = 29,331.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.