Home / 39,503.23-54,514.48-21,599.90

Finding the Fourth Proportional to 39,503.23, 54,514.48 and 21,599.90

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Solution

The fourth proportional to 39,503.23, 54,514.48 and 21,599.90 is: 29,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,503.23 : 54,514.48 = 21,599.90 : x
  2. Step 2: Convert to fraction form
    39,503.23/54,514.48 = 21,599.90/x
  3. Step 3: Cross multiply
    39,503.23x = 54,514.48 × 21,599.90
  4. Step 4: Simplify right side
    39,503.23x = 1,177,507,316.55
  5. Step 5: Solve for x
    x = 1,177,507,316.55/39,503.23
  6. Step 6: Final answer
    x = 29,807.87

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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.