Home / 31,412.88-43,349.49-17,265.66

Finding the Fourth Proportional to 31,412.88, 43,349.49 and 17,265.66

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Solution

The fourth proportional to 31,412.88, 43,349.49 and 17,265.66 is: 23,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.88 : 43,349.49 = 17,265.66 : x
  2. Step 2: Convert to fraction form
    31,412.88/43,349.49 = 17,265.66/x
  3. Step 3: Cross multiply
    31,412.88x = 43,349.49 × 17,265.66
  4. Step 4: Simplify right side
    31,412.88x = 748,457,555.51
  5. Step 5: Solve for x
    x = 748,457,555.51/31,412.88
  6. Step 6: Final answer
    x = 23,826.45

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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.