Home / 32,811-45,279.18-20,243.04

Finding the Fourth Proportional to 32,811, 45,279.18 and 20,243.04

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Solution

The fourth proportional to 32,811, 45,279.18 and 20,243.04 is: 27,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811 : 45,279.18 = 20,243.04 : x
  2. Step 2: Convert to fraction form
    32,811/45,279.18 = 20,243.04/x
  3. Step 3: Cross multiply
    32,811x = 45,279.18 × 20,243.04
  4. Step 4: Simplify right side
    32,811x = 916,588,251.91
  5. Step 5: Solve for x
    x = 916,588,251.91/32,811
  6. Step 6: Final answer
    x = 27,935.40

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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.