Home / 63,121.96-94,666.56-18,738.28

Finding the Fourth Proportional to 63,121.96, 94,666.56 and 18,738.28

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Solution

The fourth proportional to 63,121.96, 94,666.56 and 18,738.28 is: 28,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.96 : 94,666.56 = 18,738.28 : x
  2. Step 2: Convert to fraction form
    63,121.96/94,666.56 = 18,738.28/x
  3. Step 3: Cross multiply
    63,121.96x = 94,666.56 × 18,738.28
  4. Step 4: Simplify right side
    63,121.96x = 1,773,888,507.92
  5. Step 5: Solve for x
    x = 1,773,888,507.92/63,121.96
  6. Step 6: Final answer
    x = 28,102.56

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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.