Home / 42,297.67-63,440.43-11,132.92

Finding the Fourth Proportional to 42,297.67, 63,440.43 and 11,132.92

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Solution

The fourth proportional to 42,297.67, 63,440.43 and 11,132.92 is: 16,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,297.67 : 63,440.43 = 11,132.92 : x
  2. Step 2: Convert to fraction form
    42,297.67/63,440.43 = 11,132.92/x
  3. Step 3: Cross multiply
    42,297.67x = 63,440.43 × 11,132.92
  4. Step 4: Simplify right side
    42,297.67x = 706,277,231.96
  5. Step 5: Solve for x
    x = 706,277,231.96/42,297.67
  6. Step 6: Final answer
    x = 16,697.78

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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.