Home / 51,864.80-77,749.67-16,786.40

Finding the Fourth Proportional to 51,864.80, 77,749.67 and 16,786.40

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Solution

The fourth proportional to 51,864.80, 77,749.67 and 16,786.40 is: 25,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,864.80 : 77,749.67 = 16,786.40 : x
  2. Step 2: Convert to fraction form
    51,864.80/77,749.67 = 16,786.40/x
  3. Step 3: Cross multiply
    51,864.80x = 77,749.67 × 16,786.40
  4. Step 4: Simplify right side
    51,864.80x = 1,305,136,587.81
  5. Step 5: Solve for x
    x = 1,305,136,587.81/51,864.80
  6. Step 6: Final answer
    x = 25,164.21

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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.