Home / 32,722.56-45,155.87-19,997.03

Finding the Fourth Proportional to 32,722.56, 45,155.87 and 19,997.03

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Solution

The fourth proportional to 32,722.56, 45,155.87 and 19,997.03 is: 27,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,722.56 : 45,155.87 = 19,997.03 : x
  2. Step 2: Convert to fraction form
    32,722.56/45,155.87 = 19,997.03/x
  3. Step 3: Cross multiply
    32,722.56x = 45,155.87 × 19,997.03
  4. Step 4: Simplify right side
    32,722.56x = 902,983,287.07
  5. Step 5: Solve for x
    x = 902,983,287.07/32,722.56
  6. Step 6: Final answer
    x = 27,595.13

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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.