Home / 40,164.68-60,228.30-21,439.64

Finding the Fourth Proportional to 40,164.68, 60,228.30 and 21,439.64

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Solution

The fourth proportional to 40,164.68, 60,228.30 and 21,439.64 is: 32,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164.68 : 60,228.30 = 21,439.64 : x
  2. Step 2: Convert to fraction form
    40,164.68/60,228.30 = 21,439.64/x
  3. Step 3: Cross multiply
    40,164.68x = 60,228.30 × 21,439.64
  4. Step 4: Simplify right side
    40,164.68x = 1,291,273,069.81
  5. Step 5: Solve for x
    x = 1,291,273,069.81/40,164.68
  6. Step 6: Final answer
    x = 32,149.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.