Home / 31,187.09-43,043.43-17,756.48

Finding the Fourth Proportional to 31,187.09, 43,043.43 and 17,756.48

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Solution

The fourth proportional to 31,187.09, 43,043.43 and 17,756.48 is: 24,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.09 : 43,043.43 = 17,756.48 : x
  2. Step 2: Convert to fraction form
    31,187.09/43,043.43 = 17,756.48/x
  3. Step 3: Cross multiply
    31,187.09x = 43,043.43 × 17,756.48
  4. Step 4: Simplify right side
    31,187.09x = 764,299,588.71
  5. Step 5: Solve for x
    x = 764,299,588.71/31,187.09
  6. Step 6: Final answer
    x = 24,506.93

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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.