Home / 57,700.46-86,588.54-20,259.57

Finding the Fourth Proportional to 57,700.46, 86,588.54 and 20,259.57

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Solution

The fourth proportional to 57,700.46, 86,588.54 and 20,259.57 is: 30,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.46 : 86,588.54 = 20,259.57 : x
  2. Step 2: Convert to fraction form
    57,700.46/86,588.54 = 20,259.57/x
  3. Step 3: Cross multiply
    57,700.46x = 86,588.54 × 20,259.57
  4. Step 4: Simplify right side
    57,700.46x = 1,754,246,536.68
  5. Step 5: Solve for x
    x = 1,754,246,536.68/57,700.46
  6. Step 6: Final answer
    x = 30,402.64

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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.