Home / 31,313.26-43,210.69-17,881.89

Finding the Fourth Proportional to 31,313.26, 43,210.69 and 17,881.89

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Solution

The fourth proportional to 31,313.26, 43,210.69 and 17,881.89 is: 24,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.26 : 43,210.69 = 17,881.89 : x
  2. Step 2: Convert to fraction form
    31,313.26/43,210.69 = 17,881.89/x
  3. Step 3: Cross multiply
    31,313.26x = 43,210.69 × 17,881.89
  4. Step 4: Simplify right side
    31,313.26x = 772,688,805.40
  5. Step 5: Solve for x
    x = 772,688,805.40/31,313.26
  6. Step 6: Final answer
    x = 24,676.09

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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.