Home / 29,111.18-43,630.24-12,451.63

Finding the Fourth Proportional to 29,111.18, 43,630.24 and 12,451.63

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Solution

The fourth proportional to 29,111.18, 43,630.24 and 12,451.63 is: 18,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.18 : 43,630.24 = 12,451.63 : x
  2. Step 2: Convert to fraction form
    29,111.18/43,630.24 = 12,451.63/x
  3. Step 3: Cross multiply
    29,111.18x = 43,630.24 × 12,451.63
  4. Step 4: Simplify right side
    29,111.18x = 543,267,605.29
  5. Step 5: Solve for x
    x = 543,267,605.29/29,111.18
  6. Step 6: Final answer
    x = 18,661.82

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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.