Home / 31,664.94-47,490.39-14,123.58

Finding the Fourth Proportional to 31,664.94, 47,490.39 and 14,123.58

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Solution

The fourth proportional to 31,664.94, 47,490.39 and 14,123.58 is: 21,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,664.94 : 47,490.39 = 14,123.58 : x
  2. Step 2: Convert to fraction form
    31,664.94/47,490.39 = 14,123.58/x
  3. Step 3: Cross multiply
    31,664.94x = 47,490.39 × 14,123.58
  4. Step 4: Simplify right side
    31,664.94x = 670,734,322.40
  5. Step 5: Solve for x
    x = 670,734,322.40/31,664.94
  6. Step 6: Final answer
    x = 21,182.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.