Home / 39,562.71-54,596.46-21,657.72

Finding the Fourth Proportional to 39,562.71, 54,596.46 and 21,657.72

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Solution

The fourth proportional to 39,562.71, 54,596.46 and 21,657.72 is: 29,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,562.71 : 54,596.46 = 21,657.72 : x
  2. Step 2: Convert to fraction form
    39,562.71/54,596.46 = 21,657.72/x
  3. Step 3: Cross multiply
    39,562.71x = 54,596.46 × 21,657.72
  4. Step 4: Simplify right side
    39,562.71x = 1,182,434,843.67
  5. Step 5: Solve for x
    x = 1,182,434,843.67/39,562.71
  6. Step 6: Final answer
    x = 29,887.61

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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.