Home / 39,561.23-54,594.81-21,656.39

Finding the Fourth Proportional to 39,561.23, 54,594.81 and 21,656.39

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Solution

The fourth proportional to 39,561.23, 54,594.81 and 21,656.39 is: 29,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.23 : 54,594.81 = 21,656.39 : x
  2. Step 2: Convert to fraction form
    39,561.23/54,594.81 = 21,656.39/x
  3. Step 3: Cross multiply
    39,561.23x = 54,594.81 × 21,656.39
  4. Step 4: Simplify right side
    39,561.23x = 1,182,326,497.34
  5. Step 5: Solve for x
    x = 1,182,326,497.34/39,561.23
  6. Step 6: Final answer
    x = 29,885.99

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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.