Home / 39,562.51-54,596.33-21,658.66

Finding the Fourth Proportional to 39,562.51, 54,596.33 and 21,658.66

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Solution

The fourth proportional to 39,562.51, 54,596.33 and 21,658.66 is: 29,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,562.51 : 54,596.33 = 21,658.66 : x
  2. Step 2: Convert to fraction form
    39,562.51/54,596.33 = 21,658.66/x
  3. Step 3: Cross multiply
    39,562.51x = 54,596.33 × 21,658.66
  4. Step 4: Simplify right side
    39,562.51x = 1,182,483,348.72
  5. Step 5: Solve for x
    x = 1,182,483,348.72/39,562.51
  6. Step 6: Final answer
    x = 29,888.99

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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.