Home / 57,023.05-85,510.11-19,586.89

Finding the Fourth Proportional to 57,023.05, 85,510.11 and 19,586.89

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Solution

The fourth proportional to 57,023.05, 85,510.11 and 19,586.89 is: 29,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.05 : 85,510.11 = 19,586.89 : x
  2. Step 2: Convert to fraction form
    57,023.05/85,510.11 = 19,586.89/x
  3. Step 3: Cross multiply
    57,023.05x = 85,510.11 × 19,586.89
  4. Step 4: Simplify right side
    57,023.05x = 1,674,877,118.46
  5. Step 5: Solve for x
    x = 1,674,877,118.46/57,023.05
  6. Step 6: Final answer
    x = 29,371.93

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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.