Home / 42,171.86-63,236.80-14,082.28

Finding the Fourth Proportional to 42,171.86, 63,236.80 and 14,082.28

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Solution

The fourth proportional to 42,171.86, 63,236.80 and 14,082.28 is: 21,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,171.86 : 63,236.80 = 14,082.28 : x
  2. Step 2: Convert to fraction form
    42,171.86/63,236.80 = 14,082.28/x
  3. Step 3: Cross multiply
    42,171.86x = 63,236.80 × 14,082.28
  4. Step 4: Simplify right side
    42,171.86x = 890,518,183.41
  5. Step 5: Solve for x
    x = 890,518,183.41/42,171.86
  6. Step 6: Final answer
    x = 21,116.41

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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.