Home / 45,613.28-68,419.42-14,448.52

Finding the Fourth Proportional to 45,613.28, 68,419.42 and 14,448.52

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Solution

The fourth proportional to 45,613.28, 68,419.42 and 14,448.52 is: 21,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,613.28 : 68,419.42 = 14,448.52 : x
  2. Step 2: Convert to fraction form
    45,613.28/68,419.42 = 14,448.52/x
  3. Step 3: Cross multiply
    45,613.28x = 68,419.42 × 14,448.52
  4. Step 4: Simplify right side
    45,613.28x = 988,559,358.26
  5. Step 5: Solve for x
    x = 988,559,358.26/45,613.28
  6. Step 6: Final answer
    x = 21,672.62

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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.