Home / 36,425.34-50,261.40-20,509.38

Finding the Fourth Proportional to 36,425.34, 50,261.40 and 20,509.38

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Solution

The fourth proportional to 36,425.34, 50,261.40 and 20,509.38 is: 28,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,425.34 : 50,261.40 = 20,509.38 : x
  2. Step 2: Convert to fraction form
    36,425.34/50,261.40 = 20,509.38/x
  3. Step 3: Cross multiply
    36,425.34x = 50,261.40 × 20,509.38
  4. Step 4: Simplify right side
    36,425.34x = 1,030,830,151.93
  5. Step 5: Solve for x
    x = 1,030,830,151.93/36,425.34
  6. Step 6: Final answer
    x = 28,299.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.