Home / 45,302.58-67,923.88-21,613.79

Finding the Fourth Proportional to 45,302.58, 67,923.88 and 21,613.79

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Solution

The fourth proportional to 45,302.58, 67,923.88 and 21,613.79 is: 32,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.58 : 67,923.88 = 21,613.79 : x
  2. Step 2: Convert to fraction form
    45,302.58/67,923.88 = 21,613.79/x
  3. Step 3: Cross multiply
    45,302.58x = 67,923.88 × 21,613.79
  4. Step 4: Simplify right side
    45,302.58x = 1,468,092,478.31
  5. Step 5: Solve for x
    x = 1,468,092,478.31/45,302.58
  6. Step 6: Final answer
    x = 32,406.38

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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.