Home / 57,713.64-86,575.39-20,270.45

Finding the Fourth Proportional to 57,713.64, 86,575.39 and 20,270.45

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Solution

The fourth proportional to 57,713.64, 86,575.39 and 20,270.45 is: 30,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.64 : 86,575.39 = 20,270.45 : x
  2. Step 2: Convert to fraction form
    57,713.64/86,575.39 = 20,270.45/x
  3. Step 3: Cross multiply
    57,713.64x = 86,575.39 × 20,270.45
  4. Step 4: Simplify right side
    57,713.64x = 1,754,922,114.23
  5. Step 5: Solve for x
    x = 1,754,922,114.23/57,713.64
  6. Step 6: Final answer
    x = 30,407.41

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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.