Home / 31,581.63-43,582.44-17,434.50

Finding the Fourth Proportional to 31,581.63, 43,582.44 and 17,434.50

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Solution

The fourth proportional to 31,581.63, 43,582.44 and 17,434.50 is: 24,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.63 : 43,582.44 = 17,434.50 : x
  2. Step 2: Convert to fraction form
    31,581.63/43,582.44 = 17,434.50/x
  3. Step 3: Cross multiply
    31,581.63x = 43,582.44 × 17,434.50
  4. Step 4: Simplify right side
    31,581.63x = 759,838,050.18
  5. Step 5: Solve for x
    x = 759,838,050.18/31,581.63
  6. Step 6: Final answer
    x = 24,059.49

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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.