Home / 57,923.75-86,892.51-20,476.10

Finding the Fourth Proportional to 57,923.75, 86,892.51 and 20,476.10

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Solution

The fourth proportional to 57,923.75, 86,892.51 and 20,476.10 is: 30,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,923.75 : 86,892.51 = 20,476.10 : x
  2. Step 2: Convert to fraction form
    57,923.75/86,892.51 = 20,476.10/x
  3. Step 3: Cross multiply
    57,923.75x = 86,892.51 × 20,476.10
  4. Step 4: Simplify right side
    57,923.75x = 1,779,219,724.01
  5. Step 5: Solve for x
    x = 1,779,219,724.01/57,923.75
  6. Step 6: Final answer
    x = 30,716.58

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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.