Home / 42,600.12-63,899.64-14,512.56

Finding the Fourth Proportional to 42,600.12, 63,899.64 and 14,512.56

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Solution

The fourth proportional to 42,600.12, 63,899.64 and 14,512.56 is: 21,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,600.12 : 63,899.64 = 14,512.56 : x
  2. Step 2: Convert to fraction form
    42,600.12/63,899.64 = 14,512.56/x
  3. Step 3: Cross multiply
    42,600.12x = 63,899.64 × 14,512.56
  4. Step 4: Simplify right side
    42,600.12x = 927,347,359.48
  5. Step 5: Solve for x
    x = 927,347,359.48/42,600.12
  6. Step 6: Final answer
    x = 21,768.66

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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.