Home / 32,722.28-45,155.28-18,185.48

Finding the Fourth Proportional to 32,722.28, 45,155.28 and 18,185.48

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Solution

The fourth proportional to 32,722.28, 45,155.28 and 18,185.48 is: 25,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,722.28 : 45,155.28 = 18,185.48 : x
  2. Step 2: Convert to fraction form
    32,722.28/45,155.28 = 18,185.48/x
  3. Step 3: Cross multiply
    32,722.28x = 45,155.28 × 18,185.48
  4. Step 4: Simplify right side
    32,722.28x = 821,170,441.33
  5. Step 5: Solve for x
    x = 821,170,441.33/32,722.28
  6. Step 6: Final answer
    x = 25,095.15

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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.