Home / 31,638.86-43,662.54-17,492.62

Finding the Fourth Proportional to 31,638.86, 43,662.54 and 17,492.62

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Solution

The fourth proportional to 31,638.86, 43,662.54 and 17,492.62 is: 24,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638.86 : 43,662.54 = 17,492.62 : x
  2. Step 2: Convert to fraction form
    31,638.86/43,662.54 = 17,492.62/x
  3. Step 3: Cross multiply
    31,638.86x = 43,662.54 × 17,492.62
  4. Step 4: Simplify right side
    31,638.86x = 763,772,220.45
  5. Step 5: Solve for x
    x = 763,772,220.45/31,638.86
  6. Step 6: Final answer
    x = 24,140.32

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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.