Home / 29,520.86-40,739.56-18,197.84

Finding the Fourth Proportional to 29,520.86, 40,739.56 and 18,197.84

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Solution

The fourth proportional to 29,520.86, 40,739.56 and 18,197.84 is: 25,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,520.86 : 40,739.56 = 18,197.84 : x
  2. Step 2: Convert to fraction form
    29,520.86/40,739.56 = 18,197.84/x
  3. Step 3: Cross multiply
    29,520.86x = 40,739.56 × 18,197.84
  4. Step 4: Simplify right side
    29,520.86x = 741,371,994.55
  5. Step 5: Solve for x
    x = 741,371,994.55/29,520.86
  6. Step 6: Final answer
    x = 25,113.50

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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.