Home / 42,011.82-63,021.38-15,365.12

Finding the Fourth Proportional to 42,011.82, 63,021.38 and 15,365.12

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Solution

The fourth proportional to 42,011.82, 63,021.38 and 15,365.12 is: 23,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.82 : 63,021.38 = 15,365.12 : x
  2. Step 2: Convert to fraction form
    42,011.82/63,021.38 = 15,365.12/x
  3. Step 3: Cross multiply
    42,011.82x = 63,021.38 × 15,365.12
  4. Step 4: Simplify right side
    42,011.82x = 968,330,674.33
  5. Step 5: Solve for x
    x = 968,330,674.33/42,011.82
  6. Step 6: Final answer
    x = 23,049.01

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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.