Home / 31,191.19-43,043.78-17,762.45

Finding the Fourth Proportional to 31,191.19, 43,043.78 and 17,762.45

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Solution

The fourth proportional to 31,191.19, 43,043.78 and 17,762.45 is: 24,512.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.19 : 43,043.78 = 17,762.45 : x
  2. Step 2: Convert to fraction form
    31,191.19/43,043.78 = 17,762.45/x
  3. Step 3: Cross multiply
    31,191.19x = 43,043.78 × 17,762.45
  4. Step 4: Simplify right side
    31,191.19x = 764,562,819.25
  5. Step 5: Solve for x
    x = 764,562,819.25/31,191.19
  6. Step 6: Final answer
    x = 24,512.14

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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.