Home / 51,457.14-77,174.91-14,512.50

Finding the Fourth Proportional to 51,457.14, 77,174.91 and 14,512.50

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Solution

The fourth proportional to 51,457.14, 77,174.91 and 14,512.50 is: 21,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.14 : 77,174.91 = 14,512.50 : x
  2. Step 2: Convert to fraction form
    51,457.14/77,174.91 = 14,512.50/x
  3. Step 3: Cross multiply
    51,457.14x = 77,174.91 × 14,512.50
  4. Step 4: Simplify right side
    51,457.14x = 1,120,000,881.38
  5. Step 5: Solve for x
    x = 1,120,000,881.38/51,457.14
  6. Step 6: Final answer
    x = 21,765.70

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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.