Home / 42,243.72-63,365.58-14,161.56

Finding the Fourth Proportional to 42,243.72, 63,365.58 and 14,161.56

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Solution

The fourth proportional to 42,243.72, 63,365.58 and 14,161.56 is: 21,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,243.72 : 63,365.58 = 14,161.56 : x
  2. Step 2: Convert to fraction form
    42,243.72/63,365.58 = 14,161.56/x
  3. Step 3: Cross multiply
    42,243.72x = 63,365.58 × 14,161.56
  4. Step 4: Simplify right side
    42,243.72x = 897,355,463.10
  5. Step 5: Solve for x
    x = 897,355,463.10/42,243.72
  6. Step 6: Final answer
    x = 21,242.34

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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.