Home / 42,242.50-63,361.29-11,077.74

Finding the Fourth Proportional to 42,242.50, 63,361.29 and 11,077.74

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Solution

The fourth proportional to 42,242.50, 63,361.29 and 11,077.74 is: 16,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,242.50 : 63,361.29 = 11,077.74 : x
  2. Step 2: Convert to fraction form
    42,242.50/63,361.29 = 11,077.74/x
  3. Step 3: Cross multiply
    42,242.50x = 63,361.29 × 11,077.74
  4. Step 4: Simplify right side
    42,242.50x = 701,899,896.68
  5. Step 5: Solve for x
    x = 701,899,896.68/42,242.50
  6. Step 6: Final answer
    x = 16,615.96

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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.