Home / 31,313.05-43,212.36-17,886.09

Finding the Fourth Proportional to 31,313.05, 43,212.36 and 17,886.09

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Solution

The fourth proportional to 31,313.05, 43,212.36 and 17,886.09 is: 24,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.05 : 43,212.36 = 17,886.09 : x
  2. Step 2: Convert to fraction form
    31,313.05/43,212.36 = 17,886.09/x
  3. Step 3: Cross multiply
    31,313.05x = 43,212.36 × 17,886.09
  4. Step 4: Simplify right side
    31,313.05x = 772,900,160.07
  5. Step 5: Solve for x
    x = 772,900,160.07/31,313.05
  6. Step 6: Final answer
    x = 24,683.00

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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.