Home / 57,475.34-86,215.44-20,039.16

Finding the Fourth Proportional to 57,475.34, 86,215.44 and 20,039.16

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Solution

The fourth proportional to 57,475.34, 86,215.44 and 20,039.16 is: 30,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.34 : 86,215.44 = 20,039.16 : x
  2. Step 2: Convert to fraction form
    57,475.34/86,215.44 = 20,039.16/x
  3. Step 3: Cross multiply
    57,475.34x = 86,215.44 × 20,039.16
  4. Step 4: Simplify right side
    57,475.34x = 1,727,684,996.63
  5. Step 5: Solve for x
    x = 1,727,684,996.63/57,475.34
  6. Step 6: Final answer
    x = 30,059.59

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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.