Home / 49,409.40-74,123.70-14,350.20

Finding the Fourth Proportional to 49,409.40, 74,123.70 and 14,350.20

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Solution

The fourth proportional to 49,409.40, 74,123.70 and 14,350.20 is: 21,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,409.40 : 74,123.70 = 14,350.20 : x
  2. Step 2: Convert to fraction form
    49,409.40/74,123.70 = 14,350.20/x
  3. Step 3: Cross multiply
    49,409.40x = 74,123.70 × 14,350.20
  4. Step 4: Simplify right side
    49,409.40x = 1,063,689,919.74
  5. Step 5: Solve for x
    x = 1,063,689,919.74/49,409.40
  6. Step 6: Final answer
    x = 21,528.09

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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.