Home / 51,695.51-77,540.63-14,255.91

Finding the Fourth Proportional to 51,695.51, 77,540.63 and 14,255.91

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Solution

The fourth proportional to 51,695.51, 77,540.63 and 14,255.91 is: 21,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,695.51 : 77,540.63 = 14,255.91 : x
  2. Step 2: Convert to fraction form
    51,695.51/77,540.63 = 14,255.91/x
  3. Step 3: Cross multiply
    51,695.51x = 77,540.63 × 14,255.91
  4. Step 4: Simplify right side
    51,695.51x = 1,105,412,171.34
  5. Step 5: Solve for x
    x = 1,105,412,171.34/51,695.51
  6. Step 6: Final answer
    x = 21,383.14

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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.