Home / 29,515.80-40,746.57-18,771.48

Finding the Fourth Proportional to 29,515.80, 40,746.57 and 18,771.48

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Solution

The fourth proportional to 29,515.80, 40,746.57 and 18,771.48 is: 25,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.80 : 40,746.57 = 18,771.48 : x
  2. Step 2: Convert to fraction form
    29,515.80/40,746.57 = 18,771.48/x
  3. Step 3: Cross multiply
    29,515.80x = 40,746.57 × 18,771.48
  4. Step 4: Simplify right side
    29,515.80x = 764,873,423.82
  5. Step 5: Solve for x
    x = 764,873,423.82/29,515.80
  6. Step 6: Final answer
    x = 25,914.03

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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.