Home / 29,130.75-40,200.48-16,555.50

Finding the Fourth Proportional to 29,130.75, 40,200.48 and 16,555.50

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Solution

The fourth proportional to 29,130.75, 40,200.48 and 16,555.50 is: 22,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.75 : 40,200.48 = 16,555.50 : x
  2. Step 2: Convert to fraction form
    29,130.75/40,200.48 = 16,555.50/x
  3. Step 3: Cross multiply
    29,130.75x = 40,200.48 × 16,555.50
  4. Step 4: Simplify right side
    29,130.75x = 665,539,046.64
  5. Step 5: Solve for x
    x = 665,539,046.64/29,130.75
  6. Step 6: Final answer
    x = 22,846.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.