Home / 31,525.05-43,513.20-18,097.50

Finding the Fourth Proportional to 31,525.05, 43,513.20 and 18,097.50

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Solution

The fourth proportional to 31,525.05, 43,513.20 and 18,097.50 is: 24,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.05 : 43,513.20 = 18,097.50 : x
  2. Step 2: Convert to fraction form
    31,525.05/43,513.20 = 18,097.50/x
  3. Step 3: Cross multiply
    31,525.05x = 43,513.20 × 18,097.50
  4. Step 4: Simplify right side
    31,525.05x = 787,480,137
  5. Step 5: Solve for x
    x = 787,480,137/31,525.05
  6. Step 6: Final answer
    x = 24,979.50

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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.