Home / 32,881.76-45,364.08-20,942.96

Finding the Fourth Proportional to 32,881.76, 45,364.08 and 20,942.96

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Solution

The fourth proportional to 32,881.76, 45,364.08 and 20,942.96 is: 28,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.76 : 45,364.08 = 20,942.96 : x
  2. Step 2: Convert to fraction form
    32,881.76/45,364.08 = 20,942.96/x
  3. Step 3: Cross multiply
    32,881.76x = 45,364.08 × 20,942.96
  4. Step 4: Simplify right side
    32,881.76x = 950,058,112.88
  5. Step 5: Solve for x
    x = 950,058,112.88/32,881.76
  6. Step 6: Final answer
    x = 28,893.16

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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.