Home / 49,348.40-74,027.28-13,809.74

Finding the Fourth Proportional to 49,348.40, 74,027.28 and 13,809.74

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Solution

The fourth proportional to 49,348.40, 74,027.28 and 13,809.74 is: 20,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,348.40 : 74,027.28 = 13,809.74 : x
  2. Step 2: Convert to fraction form
    49,348.40/74,027.28 = 13,809.74/x
  3. Step 3: Cross multiply
    49,348.40x = 74,027.28 × 13,809.74
  4. Step 4: Simplify right side
    49,348.40x = 1,022,297,489.71
  5. Step 5: Solve for x
    x = 1,022,297,489.71/49,348.40
  6. Step 6: Final answer
    x = 20,715.92

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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.