Home / 49,865.72-74,798-14,327.90

Finding the Fourth Proportional to 49,865.72, 74,798 and 14,327.90

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Solution

The fourth proportional to 49,865.72, 74,798 and 14,327.90 is: 21,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,865.72 : 74,798 = 14,327.90 : x
  2. Step 2: Convert to fraction form
    49,865.72/74,798 = 14,327.90/x
  3. Step 3: Cross multiply
    49,865.72x = 74,798 × 14,327.90
  4. Step 4: Simplify right side
    49,865.72x = 1,071,698,264.20
  5. Step 5: Solve for x
    x = 1,071,698,264.20/49,865.72
  6. Step 6: Final answer
    x = 21,491.68

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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.