Home / 57,586.02-86,379.30-20,145.93

Finding the Fourth Proportional to 57,586.02, 86,379.30 and 20,145.93

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Solution

The fourth proportional to 57,586.02, 86,379.30 and 20,145.93 is: 30,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,586.02 : 86,379.30 = 20,145.93 : x
  2. Step 2: Convert to fraction form
    57,586.02/86,379.30 = 20,145.93/x
  3. Step 3: Cross multiply
    57,586.02x = 86,379.30 × 20,145.93
  4. Step 4: Simplify right side
    57,586.02x = 1,740,191,331.25
  5. Step 5: Solve for x
    x = 1,740,191,331.25/57,586.02
  6. Step 6: Final answer
    x = 30,218.99

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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.