Home / 51,601.32-77,402.05-14,161.91

Finding the Fourth Proportional to 51,601.32, 77,402.05 and 14,161.91

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Solution

The fourth proportional to 51,601.32, 77,402.05 and 14,161.91 is: 21,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601.32 : 77,402.05 = 14,161.91 : x
  2. Step 2: Convert to fraction form
    51,601.32/77,402.05 = 14,161.91/x
  3. Step 3: Cross multiply
    51,601.32x = 77,402.05 × 14,161.91
  4. Step 4: Simplify right side
    51,601.32x = 1,096,160,443.50
  5. Step 5: Solve for x
    x = 1,096,160,443.50/51,601.32
  6. Step 6: Final answer
    x = 21,242.88

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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.