Home / 31,579.36-43,579.29-17,432.20

Finding the Fourth Proportional to 31,579.36, 43,579.29 and 17,432.20

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Solution

The fourth proportional to 31,579.36, 43,579.29 and 17,432.20 is: 24,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.36 : 43,579.29 = 17,432.20 : x
  2. Step 2: Convert to fraction form
    31,579.36/43,579.29 = 17,432.20/x
  3. Step 3: Cross multiply
    31,579.36x = 43,579.29 × 17,432.20
  4. Step 4: Simplify right side
    31,579.36x = 759,682,899.14
  5. Step 5: Solve for x
    x = 759,682,899.14/31,579.36
  6. Step 6: Final answer
    x = 24,056.31

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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.