Home / 30,123.40-41,569.74-16,694.62

Finding the Fourth Proportional to 30,123.40, 41,569.74 and 16,694.62

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Solution

The fourth proportional to 30,123.40, 41,569.74 and 16,694.62 is: 23,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.40 : 41,569.74 = 16,694.62 : x
  2. Step 2: Convert to fraction form
    30,123.40/41,569.74 = 16,694.62/x
  3. Step 3: Cross multiply
    30,123.40x = 41,569.74 × 16,694.62
  4. Step 4: Simplify right side
    30,123.40x = 693,991,012.80
  5. Step 5: Solve for x
    x = 693,991,012.80/30,123.40
  6. Step 6: Final answer
    x = 23,038.27

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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.