Home / 39,561.55-54,594.21-21,656.23

Finding the Fourth Proportional to 39,561.55, 54,594.21 and 21,656.23

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Solution

The fourth proportional to 39,561.55, 54,594.21 and 21,656.23 is: 29,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.55 : 54,594.21 = 21,656.23 : x
  2. Step 2: Convert to fraction form
    39,561.55/54,594.21 = 21,656.23/x
  3. Step 3: Cross multiply
    39,561.55x = 54,594.21 × 21,656.23
  4. Step 4: Simplify right side
    39,561.55x = 1,182,304,768.43
  5. Step 5: Solve for x
    x = 1,182,304,768.43/39,561.55
  6. Step 6: Final answer
    x = 29,885.20

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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.