Home / 39,612.23-54,664.02-21,706.85

Finding the Fourth Proportional to 39,612.23, 54,664.02 and 21,706.85

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Solution

The fourth proportional to 39,612.23, 54,664.02 and 21,706.85 is: 29,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.23 : 54,664.02 = 21,706.85 : x
  2. Step 2: Convert to fraction form
    39,612.23/54,664.02 = 21,706.85/x
  3. Step 3: Cross multiply
    39,612.23x = 54,664.02 × 21,706.85
  4. Step 4: Simplify right side
    39,612.23x = 1,186,583,682.54
  5. Step 5: Solve for x
    x = 1,186,583,682.54/39,612.23
  6. Step 6: Final answer
    x = 29,954.98

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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.